Подключил модель

DemoExam/App.config

@@ -1,6 +1,23 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
-    <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
-    </startup>
+  <configSections>
+    <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
+    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
+  </configSections>
+  <startup>
+    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+  </startup>
+  <connectionStrings>
+    <add name="Entities" connectionString="metadata=res://*/Model.Model.csdl|res://*/Model.Model.ssdl|res://*/Model.Model.msl;provider=System.Data.SqlClient;provider connection string=&quot;data source=ngknn.ru;initial catalog=user29;user id=User29;password=wsruser29;MultipleActiveResultSets=True;App=EntityFramework&quot;" providerName="System.Data.EntityClient" />
+  </connectionStrings>
+  <entityFramework>
+    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
+      <parameters>
+        <parameter value="mssqllocaldb" />
+      </parameters>
+    </defaultConnectionFactory>
+    <providers>
+      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
+    </providers>
+  </entityFramework>
 </configuration>

DemoExam/DemoExam.csproj

@@ -35,8 +35,17 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
+      <HintPath>..\packages\EntityFramework.6.2.0\lib\net45\EntityFramework.dll</HintPath>
+    </Reference>
+    <Reference Include="EntityFramework.SqlServer, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
+      <HintPath>..\packages\EntityFramework.6.2.0\lib\net45\EntityFramework.SqlServer.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
+    <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Data" />
+    <Reference Include="System.Runtime.Serialization" />
+    <Reference Include="System.Security" />
     <Reference Include="System.Xml" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Core" />
@@ -67,8 +76,69 @@
       <DependentUpon>MainWindow.xaml</DependentUpon>
       <SubType>Code</SubType>
     </Compile>
+    <Page Include="pages\agents\PageAgents.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Model\Agent.cs">
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\AgentPriorityHistory.cs">
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\AgentType.cs">
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\Material.cs">
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\MaterialCountHistory.cs">
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\MaterialType.cs">
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\Model.Context.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>Model.Context.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\Model.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\Model.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>Model.edmx</DependentUpon>
+    </Compile>
+    <Compile Include="Model\Product.cs">
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\ProductCostHistory.cs">
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\ProductMaterial.cs">
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\ProductSale.cs">
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\ProductType.cs">
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\Shop.cs">
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="Model\Supplier.cs">
+      <DependentUpon>Model.tt</DependentUpon>
+    </Compile>
+    <Compile Include="pages\agents\PageAgents.xaml.cs">
+      <DependentUpon>PageAgents.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Properties\AssemblyInfo.cs">
       <SubType>Code</SubType>
     </Compile>
@@ -86,6 +156,14 @@
       <Generator>ResXFileCodeGenerator</Generator>
       <LastGenOutput>Resources.Designer.cs</LastGenOutput>
     </EmbeddedResource>
+    <EntityDeploy Include="Model\Model.edmx">
+      <Generator>EntityModelCodeGenerator</Generator>
+      <LastGenOutput>Model.Designer.cs</LastGenOutput>
+    </EntityDeploy>
+    <None Include="Model\Model.edmx.diagram">
+      <DependentUpon>Model.edmx</DependentUpon>
+    </None>
+    <None Include="packages.config" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
@@ -96,9 +174,22 @@
   </ItemGroup>
   <ItemGroup>
     <Folder Include="images\" />
-    <Folder Include="Model\" />
-    <Folder Include="pages\" />
     <Folder Include="ViewModel\" />
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="Model\Model.Context.tt">
+      <Generator>TextTemplatingFileGenerator</Generator>
+      <LastGenOutput>Model.Context.cs</LastGenOutput>
+      <DependentUpon>Model.edmx</DependentUpon>
+    </Content>
+    <Content Include="Model\Model.tt">
+      <Generator>TextTemplatingFileGenerator</Generator>
+      <DependentUpon>Model.edmx</DependentUpon>
+      <LastGenOutput>Model.cs</LastGenOutput>
+    </Content>
+  </ItemGroup>
+  <ItemGroup>
+    <Service Include="{508349B6-6B84-4DF5-91F0-309BEEBAD82D}" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>

DemoExam/MainWindow.xaml

@@ -9,6 +9,7 @@
     
     
     
+    
     <Grid>
         
     </Grid>

DemoExam/Model/Agent.cs

@@ -0,0 +1,45 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class Agent
+    {
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
+        public Agent()
+        {
+            this.AgentPriorityHistory = new HashSet<AgentPriorityHistory>();
+            this.ProductSale = new HashSet<ProductSale>();
+            this.Shop = new HashSet<Shop>();
+        }
+    
+        public int ID { get; set; }
+        public string Title { get; set; }
+        public int AgentTypeID { get; set; }
+        public string Address { get; set; }
+        public string INN { get; set; }
+        public string KPP { get; set; }
+        public string DirectorName { get; set; }
+        public string Phone { get; set; }
+        public string Email { get; set; }
+        public string Logo { get; set; }
+        public int Priority { get; set; }
+    
+        public virtual AgentType AgentType { get; set; }
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<AgentPriorityHistory> AgentPriorityHistory { get; set; }
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<ProductSale> ProductSale { get; set; }
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<Shop> Shop { get; set; }
+    }
+}

DemoExam/Model/AgentPriorityHistory.cs

@@ -0,0 +1,24 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class AgentPriorityHistory
+    {
+        public int ID { get; set; }
+        public int AgentID { get; set; }
+        public System.DateTime ChangeDate { get; set; }
+        public int PriorityValue { get; set; }
+    
+        public virtual Agent Agent { get; set; }
+    }
+}

DemoExam/Model/AgentType.cs

@@ -0,0 +1,30 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class AgentType
+    {
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
+        public AgentType()
+        {
+            this.Agent = new HashSet<Agent>();
+        }
+    
+        public int ID { get; set; }
+        public string Title { get; set; }
+        public string Image { get; set; }
+    
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<Agent> Agent { get; set; }
+    }
+}

DemoExam/Model/Material.cs

@@ -0,0 +1,44 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class Material
+    {
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
+        public Material()
+        {
+            this.MaterialCountHistory = new HashSet<MaterialCountHistory>();
+            this.ProductMaterial = new HashSet<ProductMaterial>();
+            this.Supplier = new HashSet<Supplier>();
+        }
+    
+        public int ID { get; set; }
+        public string Title { get; set; }
+        public int CountInPack { get; set; }
+        public string Unit { get; set; }
+        public Nullable<double> CountInStock { get; set; }
+        public double MinCount { get; set; }
+        public string Description { get; set; }
+        public decimal Cost { get; set; }
+        public string Image { get; set; }
+        public int MaterialTypeID { get; set; }
+    
+        public virtual MaterialType MaterialType { get; set; }
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<MaterialCountHistory> MaterialCountHistory { get; set; }
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<ProductMaterial> ProductMaterial { get; set; }
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<Supplier> Supplier { get; set; }
+    }
+}

DemoExam/Model/MaterialCountHistory.cs

@@ -0,0 +1,24 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class MaterialCountHistory
+    {
+        public int ID { get; set; }
+        public int MaterialID { get; set; }
+        public System.DateTime ChangeDate { get; set; }
+        public double CountValue { get; set; }
+    
+        public virtual Material Material { get; set; }
+    }
+}

DemoExam/Model/MaterialType.cs

@@ -0,0 +1,30 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class MaterialType
+    {
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
+        public MaterialType()
+        {
+            this.Material = new HashSet<Material>();
+        }
+    
+        public int ID { get; set; }
+        public string Title { get; set; }
+        public double DefectedPercent { get; set; }
+    
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<Material> Material { get; set; }
+    }
+}

DemoExam/Model/Model.Context.cs

@@ -0,0 +1,42 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Data.Entity;
+    using System.Data.Entity.Infrastructure;
+    
+    public partial class Entities : DbContext
+    {
+        public Entities()
+            : base("name=Entities")
+        {
+        }
+    
+        protected override void OnModelCreating(DbModelBuilder modelBuilder)
+        {
+            throw new UnintentionalCodeFirstException();
+        }
+    
+        public virtual DbSet<Agent> Agent { get; set; }
+        public virtual DbSet<AgentPriorityHistory> AgentPriorityHistory { get; set; }
+        public virtual DbSet<AgentType> AgentType { get; set; }
+        public virtual DbSet<Material> Material { get; set; }
+        public virtual DbSet<MaterialCountHistory> MaterialCountHistory { get; set; }
+        public virtual DbSet<MaterialType> MaterialType { get; set; }
+        public virtual DbSet<Product> Product { get; set; }
+        public virtual DbSet<ProductCostHistory> ProductCostHistory { get; set; }
+        public virtual DbSet<ProductMaterial> ProductMaterial { get; set; }
+        public virtual DbSet<ProductSale> ProductSale { get; set; }
+        public virtual DbSet<ProductType> ProductType { get; set; }
+        public virtual DbSet<Shop> Shop { get; set; }
+        public virtual DbSet<Supplier> Supplier { get; set; }
+    }
+}

DemoExam/Model/Model.Context.tt

@@ -0,0 +1,636 @@
+<#@ template language="C#" debug="false" hostspecific="true"#>
+<#@ include file="EF6.Utility.CS.ttinclude"#><#@
+ output extension=".cs"#><#
+
+const string inputFile = @"Model.edmx";
+var textTransform = DynamicTextTransformation.Create(this);
+var code = new CodeGenerationTools(this);
+var ef = new MetadataTools(this);
+var typeMapper = new TypeMapper(code, ef, textTransform.Errors);
+var loader = new EdmMetadataLoader(textTransform.Host, textTransform.Errors);
+var itemCollection = loader.CreateEdmItemCollection(inputFile);
+var modelNamespace = loader.GetModelNamespace(inputFile);
+var codeStringGenerator = new CodeStringGenerator(code, typeMapper, ef);
+
+var container = itemCollection.OfType<EntityContainer>().FirstOrDefault();
+if (container == null)
+{
+    return string.Empty;
+}
+#>
+//------------------------------------------------------------------------------
+// <auto-generated>
+// <#=CodeGenerationTools.GetResourceString("Template_GeneratedCodeCommentLine1")#>
+//
+// <#=CodeGenerationTools.GetResourceString("Template_GeneratedCodeCommentLine2")#>
+// <#=CodeGenerationTools.GetResourceString("Template_GeneratedCodeCommentLine3")#>
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+<#
+
+var codeNamespace = code.VsNamespaceSuggestion();
+if (!String.IsNullOrEmpty(codeNamespace))
+{
+#>
+namespace <#=code.EscapeNamespace(codeNamespace)#>
+{
+<#
+    PushIndent("    ");
+}
+
+#>
+using System;
+using System.Data.Entity;
+using System.Data.Entity.Infrastructure;
+<#
+if (container.FunctionImports.Any())
+{
+#>
+using System.Data.Entity.Core.Objects;
+using System.Linq;
+<#
+}
+#>
+
+<#=Accessibility.ForType(container)#> partial class <#=code.Escape(container)#> : DbContext
+{
+    public <#=code.Escape(container)#>()
+        : base("name=<#=container.Name#>")
+    {
+<#
+if (!loader.IsLazyLoadingEnabled(container))
+{
+#>
+        this.Configuration.LazyLoadingEnabled = false;
+<#
+}
+
+foreach (var entitySet in container.BaseEntitySets.OfType<EntitySet>())
+{
+    // Note: the DbSet members are defined below such that the getter and
+    // setter always have the same accessibility as the DbSet definition
+    if (Accessibility.ForReadOnlyProperty(entitySet) != "public")
+    {
+#>
+        <#=codeStringGenerator.DbSetInitializer(entitySet)#>
+<#
+    }
+}
+#>
+    }
+
+    protected override void OnModelCreating(DbModelBuilder modelBuilder)
+    {
+        throw new UnintentionalCodeFirstException();
+    }
+
+<#
+    foreach (var entitySet in container.BaseEntitySets.OfType<EntitySet>())
+    {
+#>
+    <#=codeStringGenerator.DbSet(entitySet)#>
+<#
+    }
+
+    foreach (var edmFunction in container.FunctionImports)
+    {
+        WriteFunctionImport(typeMapper, codeStringGenerator, edmFunction, modelNamespace, includeMergeOption: false);
+    }
+#>
+}
+<#
+
+if (!String.IsNullOrEmpty(codeNamespace))
+{
+    PopIndent();
+#>
+}
+<#
+}
+#>
+<#+
+
+private void WriteFunctionImport(TypeMapper typeMapper, CodeStringGenerator codeStringGenerator, EdmFunction edmFunction, string modelNamespace, bool includeMergeOption)
+{
+    if (typeMapper.IsComposable(edmFunction))
+    {
+#>
+
+    [DbFunction("<#=edmFunction.NamespaceName#>", "<#=edmFunction.Name#>")]
+    <#=codeStringGenerator.ComposableFunctionMethod(edmFunction, modelNamespace)#>
+    {
+<#+
+        codeStringGenerator.WriteFunctionParameters(edmFunction, WriteFunctionParameter);
+#>
+        <#=codeStringGenerator.ComposableCreateQuery(edmFunction, modelNamespace)#>
+    }
+<#+
+    }
+    else
+    {
+#>
+
+    <#=codeStringGenerator.FunctionMethod(edmFunction, modelNamespace, includeMergeOption)#>
+    {
+<#+
+        codeStringGenerator.WriteFunctionParameters(edmFunction, WriteFunctionParameter);
+#>
+        <#=codeStringGenerator.ExecuteFunction(edmFunction, modelNamespace, includeMergeOption)#>
+    }
+<#+
+        if (typeMapper.GenerateMergeOptionFunction(edmFunction, includeMergeOption))
+        {
+            WriteFunctionImport(typeMapper, codeStringGenerator, edmFunction, modelNamespace, includeMergeOption: true);
+        }
+    }
+}
+
+public void WriteFunctionParameter(string name, string isNotNull, string notNullInit, string nullInit)
+{
+#>
+        var <#=name#> = <#=isNotNull#> ?
+            <#=notNullInit#> :
+            <#=nullInit#>;
+
+<#+
+}
+
+public const string TemplateId = "CSharp_DbContext_Context_EF6";
+
+public class CodeStringGenerator
+{
+    private readonly CodeGenerationTools _code;
+    private readonly TypeMapper _typeMapper;
+    private readonly MetadataTools _ef;
+
+    public CodeStringGenerator(CodeGenerationTools code, TypeMapper typeMapper, MetadataTools ef)
+    {
+        ArgumentNotNull(code, "code");
+        ArgumentNotNull(typeMapper, "typeMapper");
+        ArgumentNotNull(ef, "ef");
+
+        _code = code;
+        _typeMapper = typeMapper;
+        _ef = ef;
+    }
+
+    public string Property(EdmProperty edmProperty)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1} {2} {{ {3}get; {4}set; }}",
+            Accessibility.ForProperty(edmProperty),
+            _typeMapper.GetTypeName(edmProperty.TypeUsage),
+            _code.Escape(edmProperty),
+            _code.SpaceAfter(Accessibility.ForGetter(edmProperty)),
+            _code.SpaceAfter(Accessibility.ForSetter(edmProperty)));
+    }
+
+    public string NavigationProperty(NavigationProperty navProp)
+    {
+        var endType = _typeMapper.GetTypeName(navProp.ToEndMember.GetEntityType());
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1} {2} {{ {3}get; {4}set; }}",
+            AccessibilityAndVirtual(Accessibility.ForNavigationProperty(navProp)),
+            navProp.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many ? ("ICollection<" + endType + ">") : endType,
+            _code.Escape(navProp),
+            _code.SpaceAfter(Accessibility.ForGetter(navProp)),
+            _code.SpaceAfter(Accessibility.ForSetter(navProp)));
+    }
+    
+    public string AccessibilityAndVirtual(string accessibility)
+    {
+        return accessibility + (accessibility != "private" ? " virtual" : "");
+    }
+    
+    public string EntityClassOpening(EntityType entity)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1}partial class {2}{3}",
+            Accessibility.ForType(entity),
+            _code.SpaceAfter(_code.AbstractOption(entity)),
+            _code.Escape(entity),
+            _code.StringBefore(" : ", _typeMapper.GetTypeName(entity.BaseType)));
+    }
+    
+    public string EnumOpening(SimpleType enumType)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} enum {1} : {2}",
+            Accessibility.ForType(enumType),
+            _code.Escape(enumType),
+            _code.Escape(_typeMapper.UnderlyingClrType(enumType)));
+        }
+    
+    public void WriteFunctionParameters(EdmFunction edmFunction, Action<string, string, string, string> writeParameter)
+    {
+        var parameters = FunctionImportParameter.Create(edmFunction.Parameters, _code, _ef);
+        foreach (var parameter in parameters.Where(p => p.NeedsLocalVariable))
+        {
+            var isNotNull = parameter.IsNullableOfT ? parameter.FunctionParameterName + ".HasValue" : parameter.FunctionParameterName + " != null";
+            var notNullInit = "new ObjectParameter(\"" + parameter.EsqlParameterName + "\", " + parameter.FunctionParameterName + ")";
+            var nullInit = "new ObjectParameter(\"" + parameter.EsqlParameterName + "\", typeof(" + TypeMapper.FixNamespaces(parameter.RawClrTypeName) + "))";
+            writeParameter(parameter.LocalVariableName, isNotNull, notNullInit, nullInit);
+        }
+    }
+    
+    public string ComposableFunctionMethod(EdmFunction edmFunction, string modelNamespace)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} IQueryable<{1}> {2}({3})",
+            AccessibilityAndVirtual(Accessibility.ForMethod(edmFunction)),
+            _typeMapper.GetTypeName(_typeMapper.GetReturnType(edmFunction), modelNamespace),
+            _code.Escape(edmFunction),
+            string.Join(", ", parameters.Select(p => TypeMapper.FixNamespaces(p.FunctionParameterType) + " " + p.FunctionParameterName).ToArray()));
+    }
+    
+    public string ComposableCreateQuery(EdmFunction edmFunction, string modelNamespace)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "return ((IObjectContextAdapter)this).ObjectContext.CreateQuery<{0}>(\"[{1}].[{2}]({3})\"{4});",
+            _typeMapper.GetTypeName(_typeMapper.GetReturnType(edmFunction), modelNamespace),
+            edmFunction.NamespaceName,
+            edmFunction.Name,
+            string.Join(", ", parameters.Select(p => "@" + p.EsqlParameterName).ToArray()),
+            _code.StringBefore(", ", string.Join(", ", parameters.Select(p => p.ExecuteParameterName).ToArray())));
+    }
+    
+    public string FunctionMethod(EdmFunction edmFunction, string modelNamespace, bool includeMergeOption)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        var returnType = _typeMapper.GetReturnType(edmFunction);
+
+        var paramList = String.Join(", ", parameters.Select(p => TypeMapper.FixNamespaces(p.FunctionParameterType) + " " + p.FunctionParameterName).ToArray());
+        if (includeMergeOption)
+        {
+            paramList = _code.StringAfter(paramList, ", ") + "MergeOption mergeOption";
+        }
+
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1} {2}({3})",
+            AccessibilityAndVirtual(Accessibility.ForMethod(edmFunction)),
+            returnType == null ? "int" : "ObjectResult<" + _typeMapper.GetTypeName(returnType, modelNamespace) + ">",
+            _code.Escape(edmFunction),
+            paramList);
+    }
+    
+    public string ExecuteFunction(EdmFunction edmFunction, string modelNamespace, bool includeMergeOption)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        var returnType = _typeMapper.GetReturnType(edmFunction);
+
+        var callParams = _code.StringBefore(", ", String.Join(", ", parameters.Select(p => p.ExecuteParameterName).ToArray()));
+        if (includeMergeOption)
+        {
+            callParams = ", mergeOption" + callParams;
+        }
+        
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "return ((IObjectContextAdapter)this).ObjectContext.ExecuteFunction{0}(\"{1}\"{2});",
+            returnType == null ? "" : "<" + _typeMapper.GetTypeName(returnType, modelNamespace) + ">",
+            edmFunction.Name,
+            callParams);
+    }
+    
+    public string DbSet(EntitySet entitySet)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} virtual DbSet<{1}> {2} {{ get; set; }}",
+            Accessibility.ForReadOnlyProperty(entitySet),
+            _typeMapper.GetTypeName(entitySet.ElementType),
+            _code.Escape(entitySet));
+    }
+
+    public string DbSetInitializer(EntitySet entitySet)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} = Set<{1}>();",
+            _code.Escape(entitySet),
+            _typeMapper.GetTypeName(entitySet.ElementType));
+    }
+
+    public string UsingDirectives(bool inHeader, bool includeCollections = true)
+    {
+        return inHeader == string.IsNullOrEmpty(_code.VsNamespaceSuggestion())
+            ? string.Format(
+                CultureInfo.InvariantCulture,
+                "{0}using System;{1}" +
+                "{2}",
+                inHeader ? Environment.NewLine : "",
+                includeCollections ? (Environment.NewLine + "using System.Collections.Generic;") : "",
+                inHeader ? "" : Environment.NewLine)
+            : "";
+    }
+}
+
+public class TypeMapper
+{
+    private const string ExternalTypeNameAttributeName = @"http://schemas.microsoft.com/ado/2006/04/codegeneration:ExternalTypeName";
+
+    private readonly System.Collections.IList _errors;
+    private readonly CodeGenerationTools _code;
+    private readonly MetadataTools _ef;
+
+    public static string FixNamespaces(string typeName)
+    {
+        return typeName.Replace("System.Data.Spatial.", "System.Data.Entity.Spatial.");
+    }
+
+    public TypeMapper(CodeGenerationTools code, MetadataTools ef, System.Collections.IList errors)
+    {
+        ArgumentNotNull(code, "code");
+        ArgumentNotNull(ef, "ef");
+        ArgumentNotNull(errors, "errors");
+
+        _code = code;
+        _ef = ef;
+        _errors = errors;
+    }
+
+    public string GetTypeName(TypeUsage typeUsage)
+    {
+        return typeUsage == null ? null : GetTypeName(typeUsage.EdmType, _ef.IsNullable(typeUsage), modelNamespace: null);
+    }
+
+    public string GetTypeName(EdmType edmType)
+    {
+        return GetTypeName(edmType, isNullable: null, modelNamespace: null);
+    }
+
+    public string GetTypeName(TypeUsage typeUsage, string modelNamespace)
+    {
+        return typeUsage == null ? null : GetTypeName(typeUsage.EdmType, _ef.IsNullable(typeUsage), modelNamespace);
+    }
+
+    public string GetTypeName(EdmType edmType, string modelNamespace)
+    {
+        return GetTypeName(edmType, isNullable: null, modelNamespace: modelNamespace);
+    }
+
+    public string GetTypeName(EdmType edmType, bool? isNullable, string modelNamespace)
+    {
+        if (edmType == null)
+        {
+            return null;
+        }
+
+        var collectionType = edmType as CollectionType;
+        if (collectionType != null)
+        {
+            return String.Format(CultureInfo.InvariantCulture, "ICollection<{0}>", GetTypeName(collectionType.TypeUsage, modelNamespace));
+        }
+
+        var typeName = _code.Escape(edmType.MetadataProperties
+                                .Where(p => p.Name == ExternalTypeNameAttributeName)
+                                .Select(p => (string)p.Value)
+                                .FirstOrDefault())
+            ?? (modelNamespace != null && edmType.NamespaceName != modelNamespace ?
+                _code.CreateFullName(_code.EscapeNamespace(edmType.NamespaceName), _code.Escape(edmType)) :
+                _code.Escape(edmType));
+
+        if (edmType is StructuralType)
+        {
+            return typeName;
+        }
+
+        if (edmType is SimpleType)
+        {
+            var clrType = UnderlyingClrType(edmType);
+            if (!IsEnumType(edmType))
+            {
+                typeName = _code.Escape(clrType);
+            }
+
+            typeName = FixNamespaces(typeName);
+
+            return clrType.IsValueType && isNullable == true ?
+                String.Format(CultureInfo.InvariantCulture, "Nullable<{0}>", typeName) :
+                typeName;
+        }
+
+        throw new ArgumentException("edmType");
+    }
+    
+    public Type UnderlyingClrType(EdmType edmType)
+    {
+        ArgumentNotNull(edmType, "edmType");
+
+        var primitiveType = edmType as PrimitiveType;
+        if (primitiveType != null)
+        {
+            return primitiveType.ClrEquivalentType;
+        }
+
+        if (IsEnumType(edmType))
+        {
+            return GetEnumUnderlyingType(edmType).ClrEquivalentType;
+        }
+
+        return typeof(object);
+    }
+    
+    public object GetEnumMemberValue(MetadataItem enumMember)
+    {
+        ArgumentNotNull(enumMember, "enumMember");
+        
+        var valueProperty = enumMember.GetType().GetProperty("Value");
+        return valueProperty == null ? null : valueProperty.GetValue(enumMember, null);
+    }
+    
+    public string GetEnumMemberName(MetadataItem enumMember)
+    {
+        ArgumentNotNull(enumMember, "enumMember");
+        
+        var nameProperty = enumMember.GetType().GetProperty("Name");
+        return nameProperty == null ? null : (string)nameProperty.GetValue(enumMember, null);
+    }
+
+    public System.Collections.IEnumerable GetEnumMembers(EdmType enumType)
+    {
+        ArgumentNotNull(enumType, "enumType");
+
+        var membersProperty = enumType.GetType().GetProperty("Members");
+        return membersProperty != null 
+            ? (System.Collections.IEnumerable)membersProperty.GetValue(enumType, null)
+            : Enumerable.Empty<MetadataItem>();
+    }
+    
+    public bool EnumIsFlags(EdmType enumType)
+    {
+        ArgumentNotNull(enumType, "enumType");
+        
+        var isFlagsProperty = enumType.GetType().GetProperty("IsFlags");
+        return isFlagsProperty != null && (bool)isFlagsProperty.GetValue(enumType, null);
+    }
+
+    public bool IsEnumType(GlobalItem edmType)
+    {
+        ArgumentNotNull(edmType, "edmType");
+
+        return edmType.GetType().Name == "EnumType";
+    }
+
+    public PrimitiveType GetEnumUnderlyingType(EdmType enumType)
+    {
+        ArgumentNotNull(enumType, "enumType");
+
+        return (PrimitiveType)enumType.GetType().GetProperty("UnderlyingType").GetValue(enumType, null);
+    }
+
+    public string CreateLiteral(object value)
+    {
+        if (value == null || value.GetType() != typeof(TimeSpan))
+        {
+            return _code.CreateLiteral(value);
+        }
+
+        return string.Format(CultureInfo.InvariantCulture, "new TimeSpan({0})", ((TimeSpan)value).Ticks);
+    }
+    
+    public bool VerifyCaseInsensitiveTypeUniqueness(IEnumerable<string> types, string sourceFile)
+    {
+        ArgumentNotNull(types, "types");
+        ArgumentNotNull(sourceFile, "sourceFile");
+        
+        var hash = new HashSet<string>(StringComparer.InvariantCultureIgnoreCase);
+        if (types.Any(item => !hash.Add(item)))
+        {
+            _errors.Add(
+                new CompilerError(sourceFile, -1, -1, "6023",
+                    String.Format(CultureInfo.CurrentCulture, CodeGenerationTools.GetResourceString("Template_CaseInsensitiveTypeConflict"))));
+            return false;
+        }
+        return true;
+    }
+    
+    public IEnumerable<SimpleType> GetEnumItemsToGenerate(IEnumerable<GlobalItem> itemCollection)
+    {
+        return GetItemsToGenerate<SimpleType>(itemCollection)
+            .Where(e => IsEnumType(e));
+    }
+    
+    public IEnumerable<T> GetItemsToGenerate<T>(IEnumerable<GlobalItem> itemCollection) where T: EdmType
+    {
+        return itemCollection
+            .OfType<T>()
+            .Where(i => !i.MetadataProperties.Any(p => p.Name == ExternalTypeNameAttributeName))
+            .OrderBy(i => i.Name);
+    }
+
+    public IEnumerable<string> GetAllGlobalItems(IEnumerable<GlobalItem> itemCollection)
+    {
+        return itemCollection
+            .Where(i => i is EntityType || i is ComplexType || i is EntityContainer || IsEnumType(i))
+            .Select(g => GetGlobalItemName(g));
+    }
+
+    public string GetGlobalItemName(GlobalItem item)
+    {
+        if (item is EdmType)
+        {
+            return ((EdmType)item).Name;
+        }
+        else
+        {
+            return ((EntityContainer)item).Name;
+        }
+    }
+
+    public IEnumerable<EdmProperty> GetSimpleProperties(EntityType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type);
+    }
+    
+    public IEnumerable<EdmProperty> GetSimpleProperties(ComplexType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type);
+    }
+    
+    public IEnumerable<EdmProperty> GetComplexProperties(EntityType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is ComplexType && p.DeclaringType == type);
+    }
+    
+    public IEnumerable<EdmProperty> GetComplexProperties(ComplexType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is ComplexType && p.DeclaringType == type);
+    }
+
+    public IEnumerable<EdmProperty> GetPropertiesWithDefaultValues(EntityType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type && p.DefaultValue != null);
+    }
+    
+    public IEnumerable<EdmProperty> GetPropertiesWithDefaultValues(ComplexType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type && p.DefaultValue != null);
+    }
+
+    public IEnumerable<NavigationProperty> GetNavigationProperties(EntityType type)
+    {
+        return type.NavigationProperties.Where(np => np.DeclaringType == type);
+    }
+    
+    public IEnumerable<NavigationProperty> GetCollectionNavigationProperties(EntityType type)
+    {
+        return type.NavigationProperties.Where(np => np.DeclaringType == type && np.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many);
+    }
+    
+    public FunctionParameter GetReturnParameter(EdmFunction edmFunction)
+    {
+        ArgumentNotNull(edmFunction, "edmFunction");
+
+        var returnParamsProperty = edmFunction.GetType().GetProperty("ReturnParameters");
+        return returnParamsProperty == null
+            ? edmFunction.ReturnParameter
+            : ((IEnumerable<FunctionParameter>)returnParamsProperty.GetValue(edmFunction, null)).FirstOrDefault();
+    }
+
+    public bool IsComposable(EdmFunction edmFunction)
+    {
+        ArgumentNotNull(edmFunction, "edmFunction");
+
+        var isComposableProperty = edmFunction.GetType().GetProperty("IsComposableAttribute");
+        return isComposableProperty != null && (bool)isComposableProperty.GetValue(edmFunction, null);
+    }
+
+    public IEnumerable<FunctionImportParameter> GetParameters(EdmFunction edmFunction)
+    {
+        return FunctionImportParameter.Create(edmFunction.Parameters, _code, _ef);
+    }
+
+    public TypeUsage GetReturnType(EdmFunction edmFunction)
+    {
+        var returnParam = GetReturnParameter(edmFunction);
+        return returnParam == null ? null : _ef.GetElementType(returnParam.TypeUsage);
+    }
+    
+    public bool GenerateMergeOptionFunction(EdmFunction edmFunction, bool includeMergeOption)
+    {
+        var returnType = GetReturnType(edmFunction);
+        return !includeMergeOption && returnType != null && returnType.EdmType.BuiltInTypeKind == BuiltInTypeKind.EntityType;
+    }
+}
+
+public static void ArgumentNotNull<T>(T arg, string name) where T : class
+{
+    if (arg == null)
+    {
+        throw new ArgumentNullException(name);
+    }
+}
+#>

DemoExam/Model/Model.Designer.cs

@@ -0,0 +1,10 @@
+// Создание кода T4 для модели "C:\Users\29\source\repos\DemoExam\DemoExam\Model\Model.edmx" включено. 
+// Чтобы включить формирование кода прежних версий, измените значение свойства "Стратегия создания кода" конструктора
+// на "Legacy ObjectContext". Это свойство доступно в окне "Свойства", если модель
+// открыта в конструкторе.
+
+// Если не сформированы контекст и классы сущности, возможная причина в том, что вы создали пустую модель, но
+// еще не выбрали версию Entity Framework для использования. Чтобы сформировать класс контекста и классы сущностей
+// для своей модели, откройте модель в конструкторе, щелкните правой кнопкой область конструктора и
+// выберите "Обновить модель из базы данных", "Сформировать базу данных из модели" или "Добавить элемент формирования
+// кода...".

DemoExam/Model/Model.cs

@@ -0,0 +1,9 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+

DemoExam/Model/Model.edmx

@@ -0,0 +1,922 @@
+<?xml version="1.0" encoding="utf-8"?>
+<edmx:Edmx Version="3.0" xmlns:edmx="http://schemas.microsoft.com/ado/2009/11/edmx">
+  <!-- EF Runtime content -->
+  <edmx:Runtime>
+    <!-- SSDL content -->
+    <edmx:StorageModels>
+      <Schema Namespace="Хранилище Model" Provider="System.Data.SqlClient" ProviderManifestToken="2012" Alias="Self" xmlns:store="http://schemas.microsoft.com/ado/2007/12/edm/EntityStoreSchemaGenerator" xmlns:customannotation="http://schemas.microsoft.com/ado/2013/11/edm/customannotation" xmlns="http://schemas.microsoft.com/ado/2009/11/edm/ssdl">
+        <EntityType Name="Agent">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="int" StoreGeneratedPattern="Identity" Nullable="false" />
+          <Property Name="Title" Type="nvarchar" MaxLength="150" Nullable="false" />
+          <Property Name="AgentTypeID" Type="int" Nullable="false" />
+          <Property Name="Address" Type="nvarchar" MaxLength="300" />
+          <Property Name="INN" Type="varchar" MaxLength="12" Nullable="false" />
+          <Property Name="KPP" Type="varchar" MaxLength="9" />
+          <Property Name="DirectorName" Type="nvarchar" MaxLength="100" />
+          <Property Name="Phone" Type="nvarchar" MaxLength="35" Nullable="false" />
+          <Property Name="Email" Type="nvarchar" MaxLength="255" />
+          <Property Name="Logo" Type="nvarchar" MaxLength="100" />
+          <Property Name="Priority" Type="int" Nullable="false" />
+        </EntityType>
+        <EntityType Name="AgentPriorityHistory">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="int" StoreGeneratedPattern="Identity" Nullable="false" />
+          <Property Name="AgentID" Type="int" Nullable="false" />
+          <Property Name="ChangeDate" Type="datetime" Nullable="false" />
+          <Property Name="PriorityValue" Type="int" Nullable="false" />
+        </EntityType>
+        <EntityType Name="AgentType">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="int" StoreGeneratedPattern="Identity" Nullable="false" />
+          <Property Name="Title" Type="nvarchar" MaxLength="50" Nullable="false" />
+          <Property Name="Image" Type="nvarchar" MaxLength="100" />
+        </EntityType>
+        <EntityType Name="Material">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="int" StoreGeneratedPattern="Identity" Nullable="false" />
+          <Property Name="Title" Type="nvarchar" MaxLength="100" Nullable="false" />
+          <Property Name="CountInPack" Type="int" Nullable="false" />
+          <Property Name="Unit" Type="nvarchar" MaxLength="10" Nullable="false" />
+          <Property Name="CountInStock" Type="float" />
+          <Property Name="MinCount" Type="float" Nullable="false" />
+          <Property Name="Description" Type="nvarchar(max)" />
+          <Property Name="Cost" Type="decimal" Precision="10" Scale="2" Nullable="false" />
+          <Property Name="Image" Type="nvarchar" MaxLength="100" />
+          <Property Name="MaterialTypeID" Type="int" Nullable="false" />
+        </EntityType>
+        <EntityType Name="MaterialCountHistory">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="int" StoreGeneratedPattern="Identity" Nullable="false" />
+          <Property Name="MaterialID" Type="int" Nullable="false" />
+          <Property Name="ChangeDate" Type="datetime" Nullable="false" />
+          <Property Name="CountValue" Type="float" Nullable="false" />
+        </EntityType>
+        <EntityType Name="MaterialSupplier">
+          <Key>
+            <PropertyRef Name="MaterialID" />
+            <PropertyRef Name="SupplierID" />
+          </Key>
+          <Property Name="MaterialID" Type="int" Nullable="false" />
+          <Property Name="SupplierID" Type="int" Nullable="false" />
+        </EntityType>
+        <EntityType Name="MaterialType">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="int" StoreGeneratedPattern="Identity" Nullable="false" />
+          <Property Name="Title" Type="nvarchar" MaxLength="50" Nullable="false" />
+          <Property Name="DefectedPercent" Type="float" Nullable="false" />
+        </EntityType>
+        <EntityType Name="Product">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="int" StoreGeneratedPattern="Identity" Nullable="false" />
+          <Property Name="Title" Type="nvarchar" MaxLength="100" Nullable="false" />
+          <Property Name="ProductTypeID" Type="int" />
+          <Property Name="ArticleNumber" Type="nvarchar" MaxLength="10" Nullable="false" />
+          <Property Name="Description" Type="nvarchar(max)" />
+          <Property Name="Image" Type="nvarchar" MaxLength="100" />
+          <Property Name="ProductionPersonCount" Type="int" />
+          <Property Name="ProductionWorkshopNumber" Type="int" />
+          <Property Name="MinCostForAgent" Type="decimal" Precision="10" Scale="2" Nullable="false" />
+        </EntityType>
+        <EntityType Name="ProductCostHistory">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="int" StoreGeneratedPattern="Identity" Nullable="false" />
+          <Property Name="ProductID" Type="int" Nullable="false" />
+          <Property Name="ChangeDate" Type="datetime" Nullable="false" />
+          <Property Name="CostValue" Type="decimal" Precision="10" Scale="2" Nullable="false" />
+        </EntityType>
+        <EntityType Name="ProductMaterial">
+          <Key>
+            <PropertyRef Name="ProductID" />
+            <PropertyRef Name="MaterialID" />
+          </Key>
+          <Property Name="ProductID" Type="int" Nullable="false" />
+          <Property Name="MaterialID" Type="int" Nullable="false" />
+          <Property Name="Count" Type="float" />
+        </EntityType>
+        <EntityType Name="ProductSale">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="int" StoreGeneratedPattern="Identity" Nullable="false" />
+          <Property Name="AgentID" Type="int" Nullable="false" />
+          <Property Name="ProductID" Type="int" Nullable="false" />
+          <Property Name="SaleDate" Type="date" Nullable="false" />
+          <Property Name="ProductCount" Type="int" Nullable="false" />
+        </EntityType>
+        <EntityType Name="ProductType">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="int" StoreGeneratedPattern="Identity" Nullable="false" />
+          <Property Name="Title" Type="nvarchar" MaxLength="50" Nullable="false" />
+          <Property Name="DefectedPercent" Type="float" Nullable="false" />
+        </EntityType>
+        <EntityType Name="Shop">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="int" StoreGeneratedPattern="Identity" Nullable="false" />
+          <Property Name="Title" Type="nvarchar" MaxLength="150" Nullable="false" />
+          <Property Name="Address" Type="nvarchar" MaxLength="300" />
+          <Property Name="AgentID" Type="int" Nullable="false" />
+        </EntityType>
+        <EntityType Name="Supplier">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="int" StoreGeneratedPattern="Identity" Nullable="false" />
+          <Property Name="Title" Type="nvarchar" MaxLength="150" Nullable="false" />
+          <Property Name="INN" Type="varchar" MaxLength="12" Nullable="false" />
+          <Property Name="StartDate" Type="date" Nullable="false" />
+          <Property Name="QualityRating" Type="int" />
+          <Property Name="SupplierType" Type="nvarchar" MaxLength="20" />
+        </EntityType>
+        <Association Name="FK_Agent_AgentType">
+          <End Role="AgentType" Type="Self.AgentType" Multiplicity="1" />
+          <End Role="Agent" Type="Self.Agent" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="AgentType">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="Agent">
+              <PropertyRef Name="AgentTypeID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_AgentPriorityHistory_Agent">
+          <End Role="Agent" Type="Self.Agent" Multiplicity="1" />
+          <End Role="AgentPriorityHistory" Type="Self.AgentPriorityHistory" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Agent">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="AgentPriorityHistory">
+              <PropertyRef Name="AgentID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_Material_MaterialType">
+          <End Role="MaterialType" Type="Self.MaterialType" Multiplicity="1" />
+          <End Role="Material" Type="Self.Material" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="MaterialType">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="Material">
+              <PropertyRef Name="MaterialTypeID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_MaterialCountHistory_Material">
+          <End Role="Material" Type="Self.Material" Multiplicity="1" />
+          <End Role="MaterialCountHistory" Type="Self.MaterialCountHistory" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Material">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="MaterialCountHistory">
+              <PropertyRef Name="MaterialID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_MaterialSupplier_Material">
+          <End Role="Material" Type="Self.Material" Multiplicity="1" />
+          <End Role="MaterialSupplier" Type="Self.MaterialSupplier" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Material">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="MaterialSupplier">
+              <PropertyRef Name="MaterialID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_MaterialSupplier_Supplier">
+          <End Role="Supplier" Type="Self.Supplier" Multiplicity="1" />
+          <End Role="MaterialSupplier" Type="Self.MaterialSupplier" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Supplier">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="MaterialSupplier">
+              <PropertyRef Name="SupplierID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_Product_ProductType">
+          <End Role="ProductType" Type="Self.ProductType" Multiplicity="0..1" />
+          <End Role="Product" Type="Self.Product" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="ProductType">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="Product">
+              <PropertyRef Name="ProductTypeID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_ProductCostHistory_Product">
+          <End Role="Product" Type="Self.Product" Multiplicity="1" />
+          <End Role="ProductCostHistory" Type="Self.ProductCostHistory" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Product">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="ProductCostHistory">
+              <PropertyRef Name="ProductID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_ProductMaterial_Material">
+          <End Role="Material" Type="Self.Material" Multiplicity="1" />
+          <End Role="ProductMaterial" Type="Self.ProductMaterial" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Material">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="ProductMaterial">
+              <PropertyRef Name="MaterialID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_ProductMaterial_Product">
+          <End Role="Product" Type="Self.Product" Multiplicity="1" />
+          <End Role="ProductMaterial" Type="Self.ProductMaterial" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Product">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="ProductMaterial">
+              <PropertyRef Name="ProductID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_ProductSale_Agent">
+          <End Role="Agent" Type="Self.Agent" Multiplicity="1" />
+          <End Role="ProductSale" Type="Self.ProductSale" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Agent">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="ProductSale">
+              <PropertyRef Name="AgentID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_ProductSale_Product">
+          <End Role="Product" Type="Self.Product" Multiplicity="1" />
+          <End Role="ProductSale" Type="Self.ProductSale" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Product">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="ProductSale">
+              <PropertyRef Name="ProductID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_Shop_Agent">
+          <End Role="Agent" Type="Self.Agent" Multiplicity="1" />
+          <End Role="Shop" Type="Self.Shop" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Agent">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="Shop">
+              <PropertyRef Name="AgentID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <EntityContainer Name="Хранилище ModelContainer">
+          <EntitySet Name="Agent" EntityType="Self.Agent" Schema="dbo" store:Type="Tables" />
+          <EntitySet Name="AgentPriorityHistory" EntityType="Self.AgentPriorityHistory" Schema="dbo" store:Type="Tables" />
+          <EntitySet Name="AgentType" EntityType="Self.AgentType" Schema="dbo" store:Type="Tables" />
+          <EntitySet Name="Material" EntityType="Self.Material" Schema="dbo" store:Type="Tables" />
+          <EntitySet Name="MaterialCountHistory" EntityType="Self.MaterialCountHistory" Schema="dbo" store:Type="Tables" />
+          <EntitySet Name="MaterialSupplier" EntityType="Self.MaterialSupplier" Schema="dbo" store:Type="Tables" />
+          <EntitySet Name="MaterialType" EntityType="Self.MaterialType" Schema="dbo" store:Type="Tables" />
+          <EntitySet Name="Product" EntityType="Self.Product" Schema="dbo" store:Type="Tables" />
+          <EntitySet Name="ProductCostHistory" EntityType="Self.ProductCostHistory" Schema="dbo" store:Type="Tables" />
+          <EntitySet Name="ProductMaterial" EntityType="Self.ProductMaterial" Schema="dbo" store:Type="Tables" />
+          <EntitySet Name="ProductSale" EntityType="Self.ProductSale" Schema="dbo" store:Type="Tables" />
+          <EntitySet Name="ProductType" EntityType="Self.ProductType" Schema="dbo" store:Type="Tables" />
+          <EntitySet Name="Shop" EntityType="Self.Shop" Schema="dbo" store:Type="Tables" />
+          <EntitySet Name="Supplier" EntityType="Self.Supplier" Schema="dbo" store:Type="Tables" />
+          <AssociationSet Name="FK_Agent_AgentType" Association="Self.FK_Agent_AgentType">
+            <End Role="AgentType" EntitySet="AgentType" />
+            <End Role="Agent" EntitySet="Agent" />
+          </AssociationSet>
+          <AssociationSet Name="FK_AgentPriorityHistory_Agent" Association="Self.FK_AgentPriorityHistory_Agent">
+            <End Role="Agent" EntitySet="Agent" />
+            <End Role="AgentPriorityHistory" EntitySet="AgentPriorityHistory" />
+          </AssociationSet>
+          <AssociationSet Name="FK_Material_MaterialType" Association="Self.FK_Material_MaterialType">
+            <End Role="MaterialType" EntitySet="MaterialType" />
+            <End Role="Material" EntitySet="Material" />
+          </AssociationSet>
+          <AssociationSet Name="FK_MaterialCountHistory_Material" Association="Self.FK_MaterialCountHistory_Material">
+            <End Role="Material" EntitySet="Material" />
+            <End Role="MaterialCountHistory" EntitySet="MaterialCountHistory" />
+          </AssociationSet>
+          <AssociationSet Name="FK_MaterialSupplier_Material" Association="Self.FK_MaterialSupplier_Material">
+            <End Role="Material" EntitySet="Material" />
+            <End Role="MaterialSupplier" EntitySet="MaterialSupplier" />
+          </AssociationSet>
+          <AssociationSet Name="FK_MaterialSupplier_Supplier" Association="Self.FK_MaterialSupplier_Supplier">
+            <End Role="Supplier" EntitySet="Supplier" />
+            <End Role="MaterialSupplier" EntitySet="MaterialSupplier" />
+          </AssociationSet>
+          <AssociationSet Name="FK_Product_ProductType" Association="Self.FK_Product_ProductType">
+            <End Role="ProductType" EntitySet="ProductType" />
+            <End Role="Product" EntitySet="Product" />
+          </AssociationSet>
+          <AssociationSet Name="FK_ProductCostHistory_Product" Association="Self.FK_ProductCostHistory_Product">
+            <End Role="Product" EntitySet="Product" />
+            <End Role="ProductCostHistory" EntitySet="ProductCostHistory" />
+          </AssociationSet>
+          <AssociationSet Name="FK_ProductMaterial_Material" Association="Self.FK_ProductMaterial_Material">
+            <End Role="Material" EntitySet="Material" />
+            <End Role="ProductMaterial" EntitySet="ProductMaterial" />
+          </AssociationSet>
+          <AssociationSet Name="FK_ProductMaterial_Product" Association="Self.FK_ProductMaterial_Product">
+            <End Role="Product" EntitySet="Product" />
+            <End Role="ProductMaterial" EntitySet="ProductMaterial" />
+          </AssociationSet>
+          <AssociationSet Name="FK_ProductSale_Agent" Association="Self.FK_ProductSale_Agent">
+            <End Role="Agent" EntitySet="Agent" />
+            <End Role="ProductSale" EntitySet="ProductSale" />
+          </AssociationSet>
+          <AssociationSet Name="FK_ProductSale_Product" Association="Self.FK_ProductSale_Product">
+            <End Role="Product" EntitySet="Product" />
+            <End Role="ProductSale" EntitySet="ProductSale" />
+          </AssociationSet>
+          <AssociationSet Name="FK_Shop_Agent" Association="Self.FK_Shop_Agent">
+            <End Role="Agent" EntitySet="Agent" />
+            <End Role="Shop" EntitySet="Shop" />
+          </AssociationSet>
+        </EntityContainer>
+      </Schema>
+    </edmx:StorageModels>
+    <!-- CSDL content -->
+    <edmx:ConceptualModels>
+      <Schema Namespace="Model" Alias="Self" annotation:UseStrongSpatialTypes="false" xmlns:annotation="http://schemas.microsoft.com/ado/2009/02/edm/annotation" xmlns:customannotation="http://schemas.microsoft.com/ado/2013/11/edm/customannotation" xmlns="http://schemas.microsoft.com/ado/2009/11/edm">
+        <EntityType Name="Agent">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="Int32" Nullable="false" annotation:StoreGeneratedPattern="Identity" />
+          <Property Name="Title" Type="String" MaxLength="150" FixedLength="false" Unicode="true" Nullable="false" />
+          <Property Name="AgentTypeID" Type="Int32" Nullable="false" />
+          <Property Name="Address" Type="String" MaxLength="300" FixedLength="false" Unicode="true" />
+          <Property Name="INN" Type="String" MaxLength="12" FixedLength="false" Unicode="false" Nullable="false" />
+          <Property Name="KPP" Type="String" MaxLength="9" FixedLength="false" Unicode="false" />
+          <Property Name="DirectorName" Type="String" MaxLength="100" FixedLength="false" Unicode="true" />
+          <Property Name="Phone" Type="String" MaxLength="35" FixedLength="false" Unicode="true" Nullable="false" />
+          <Property Name="Email" Type="String" MaxLength="255" FixedLength="false" Unicode="true" />
+          <Property Name="Logo" Type="String" MaxLength="100" FixedLength="false" Unicode="true" />
+          <Property Name="Priority" Type="Int32" Nullable="false" />
+          <NavigationProperty Name="AgentType" Relationship="Self.FK_Agent_AgentType" FromRole="Agent" ToRole="AgentType" />
+          <NavigationProperty Name="AgentPriorityHistory" Relationship="Self.FK_AgentPriorityHistory_Agent" FromRole="Agent" ToRole="AgentPriorityHistory" />
+          <NavigationProperty Name="ProductSale" Relationship="Self.FK_ProductSale_Agent" FromRole="Agent" ToRole="ProductSale" />
+          <NavigationProperty Name="Shop" Relationship="Self.FK_Shop_Agent" FromRole="Agent" ToRole="Shop" />
+        </EntityType>
+        <EntityType Name="AgentPriorityHistory">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="Int32" Nullable="false" annotation:StoreGeneratedPattern="Identity" />
+          <Property Name="AgentID" Type="Int32" Nullable="false" />
+          <Property Name="ChangeDate" Type="DateTime" Nullable="false" Precision="3" />
+          <Property Name="PriorityValue" Type="Int32" Nullable="false" />
+          <NavigationProperty Name="Agent" Relationship="Self.FK_AgentPriorityHistory_Agent" FromRole="AgentPriorityHistory" ToRole="Agent" />
+        </EntityType>
+        <EntityType Name="AgentType">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="Int32" Nullable="false" annotation:StoreGeneratedPattern="Identity" />
+          <Property Name="Title" Type="String" MaxLength="50" FixedLength="false" Unicode="true" Nullable="false" />
+          <Property Name="Image" Type="String" MaxLength="100" FixedLength="false" Unicode="true" />
+          <NavigationProperty Name="Agent" Relationship="Self.FK_Agent_AgentType" FromRole="AgentType" ToRole="Agent" />
+        </EntityType>
+        <EntityType Name="Material">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="Int32" Nullable="false" annotation:StoreGeneratedPattern="Identity" />
+          <Property Name="Title" Type="String" MaxLength="100" FixedLength="false" Unicode="true" Nullable="false" />
+          <Property Name="CountInPack" Type="Int32" Nullable="false" />
+          <Property Name="Unit" Type="String" MaxLength="10" FixedLength="false" Unicode="true" Nullable="false" />
+          <Property Name="CountInStock" Type="Double" />
+          <Property Name="MinCount" Type="Double" Nullable="false" />
+          <Property Name="Description" Type="String" MaxLength="Max" FixedLength="false" Unicode="true" />
+          <Property Name="Cost" Type="Decimal" Precision="10" Scale="2" Nullable="false" />
+          <Property Name="Image" Type="String" MaxLength="100" FixedLength="false" Unicode="true" />
+          <Property Name="MaterialTypeID" Type="Int32" Nullable="false" />
+          <NavigationProperty Name="MaterialType" Relationship="Self.FK_Material_MaterialType" FromRole="Material" ToRole="MaterialType" />
+          <NavigationProperty Name="MaterialCountHistory" Relationship="Self.FK_MaterialCountHistory_Material" FromRole="Material" ToRole="MaterialCountHistory" />
+          <NavigationProperty Name="ProductMaterial" Relationship="Self.FK_ProductMaterial_Material" FromRole="Material" ToRole="ProductMaterial" />
+          <NavigationProperty Name="Supplier" Relationship="Self.MaterialSupplier" FromRole="Material" ToRole="Supplier" />
+        </EntityType>
+        <EntityType Name="MaterialCountHistory">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="Int32" Nullable="false" annotation:StoreGeneratedPattern="Identity" />
+          <Property Name="MaterialID" Type="Int32" Nullable="false" />
+          <Property Name="ChangeDate" Type="DateTime" Nullable="false" Precision="3" />
+          <Property Name="CountValue" Type="Double" Nullable="false" />
+          <NavigationProperty Name="Material" Relationship="Self.FK_MaterialCountHistory_Material" FromRole="MaterialCountHistory" ToRole="Material" />
+        </EntityType>
+        <EntityType Name="MaterialType">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="Int32" Nullable="false" annotation:StoreGeneratedPattern="Identity" />
+          <Property Name="Title" Type="String" MaxLength="50" FixedLength="false" Unicode="true" Nullable="false" />
+          <Property Name="DefectedPercent" Type="Double" Nullable="false" />
+          <NavigationProperty Name="Material" Relationship="Self.FK_Material_MaterialType" FromRole="MaterialType" ToRole="Material" />
+        </EntityType>
+        <EntityType Name="Product">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="Int32" Nullable="false" annotation:StoreGeneratedPattern="Identity" />
+          <Property Name="Title" Type="String" MaxLength="100" FixedLength="false" Unicode="true" Nullable="false" />
+          <Property Name="ProductTypeID" Type="Int32" />
+          <Property Name="ArticleNumber" Type="String" MaxLength="10" FixedLength="false" Unicode="true" Nullable="false" />
+          <Property Name="Description" Type="String" MaxLength="Max" FixedLength="false" Unicode="true" />
+          <Property Name="Image" Type="String" MaxLength="100" FixedLength="false" Unicode="true" />
+          <Property Name="ProductionPersonCount" Type="Int32" />
+          <Property Name="ProductionWorkshopNumber" Type="Int32" />
+          <Property Name="MinCostForAgent" Type="Decimal" Precision="10" Scale="2" Nullable="false" />
+          <NavigationProperty Name="ProductType" Relationship="Self.FK_Product_ProductType" FromRole="Product" ToRole="ProductType" />
+          <NavigationProperty Name="ProductCostHistory" Relationship="Self.FK_ProductCostHistory_Product" FromRole="Product" ToRole="ProductCostHistory" />
+          <NavigationProperty Name="ProductMaterial" Relationship="Self.FK_ProductMaterial_Product" FromRole="Product" ToRole="ProductMaterial" />
+          <NavigationProperty Name="ProductSale" Relationship="Self.FK_ProductSale_Product" FromRole="Product" ToRole="ProductSale" />
+        </EntityType>
+        <EntityType Name="ProductCostHistory">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="Int32" Nullable="false" annotation:StoreGeneratedPattern="Identity" />
+          <Property Name="ProductID" Type="Int32" Nullable="false" />
+          <Property Name="ChangeDate" Type="DateTime" Nullable="false" Precision="3" />
+          <Property Name="CostValue" Type="Decimal" Precision="10" Scale="2" Nullable="false" />
+          <NavigationProperty Name="Product" Relationship="Self.FK_ProductCostHistory_Product" FromRole="ProductCostHistory" ToRole="Product" />
+        </EntityType>
+        <EntityType Name="ProductMaterial">
+          <Key>
+            <PropertyRef Name="ProductID" />
+            <PropertyRef Name="MaterialID" />
+          </Key>
+          <Property Name="ProductID" Type="Int32" Nullable="false" />
+          <Property Name="MaterialID" Type="Int32" Nullable="false" />
+          <Property Name="Count" Type="Double" />
+          <NavigationProperty Name="Material" Relationship="Self.FK_ProductMaterial_Material" FromRole="ProductMaterial" ToRole="Material" />
+          <NavigationProperty Name="Product" Relationship="Self.FK_ProductMaterial_Product" FromRole="ProductMaterial" ToRole="Product" />
+        </EntityType>
+        <EntityType Name="ProductSale">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="Int32" Nullable="false" annotation:StoreGeneratedPattern="Identity" />
+          <Property Name="AgentID" Type="Int32" Nullable="false" />
+          <Property Name="ProductID" Type="Int32" Nullable="false" />
+          <Property Name="SaleDate" Type="DateTime" Nullable="false" Precision="0" />
+          <Property Name="ProductCount" Type="Int32" Nullable="false" />
+          <NavigationProperty Name="Agent" Relationship="Self.FK_ProductSale_Agent" FromRole="ProductSale" ToRole="Agent" />
+          <NavigationProperty Name="Product" Relationship="Self.FK_ProductSale_Product" FromRole="ProductSale" ToRole="Product" />
+        </EntityType>
+        <EntityType Name="ProductType">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="Int32" Nullable="false" annotation:StoreGeneratedPattern="Identity" />
+          <Property Name="Title" Type="String" MaxLength="50" FixedLength="false" Unicode="true" Nullable="false" />
+          <Property Name="DefectedPercent" Type="Double" Nullable="false" />
+          <NavigationProperty Name="Product" Relationship="Self.FK_Product_ProductType" FromRole="ProductType" ToRole="Product" />
+        </EntityType>
+        <EntityType Name="Shop">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="Int32" Nullable="false" annotation:StoreGeneratedPattern="Identity" />
+          <Property Name="Title" Type="String" MaxLength="150" FixedLength="false" Unicode="true" Nullable="false" />
+          <Property Name="Address" Type="String" MaxLength="300" FixedLength="false" Unicode="true" />
+          <Property Name="AgentID" Type="Int32" Nullable="false" />
+          <NavigationProperty Name="Agent" Relationship="Self.FK_Shop_Agent" FromRole="Shop" ToRole="Agent" />
+        </EntityType>
+        <EntityType Name="Supplier">
+          <Key>
+            <PropertyRef Name="ID" />
+          </Key>
+          <Property Name="ID" Type="Int32" Nullable="false" annotation:StoreGeneratedPattern="Identity" />
+          <Property Name="Title" Type="String" MaxLength="150" FixedLength="false" Unicode="true" Nullable="false" />
+          <Property Name="INN" Type="String" MaxLength="12" FixedLength="false" Unicode="false" Nullable="false" />
+          <Property Name="StartDate" Type="DateTime" Nullable="false" Precision="0" />
+          <Property Name="QualityRating" Type="Int32" />
+          <Property Name="SupplierType" Type="String" MaxLength="20" FixedLength="false" Unicode="true" />
+          <NavigationProperty Name="Material" Relationship="Self.MaterialSupplier" FromRole="Supplier" ToRole="Material" />
+        </EntityType>
+        <Association Name="FK_Agent_AgentType">
+          <End Role="AgentType" Type="Self.AgentType" Multiplicity="1" />
+          <End Role="Agent" Type="Self.Agent" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="AgentType">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="Agent">
+              <PropertyRef Name="AgentTypeID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_AgentPriorityHistory_Agent">
+          <End Role="Agent" Type="Self.Agent" Multiplicity="1" />
+          <End Role="AgentPriorityHistory" Type="Self.AgentPriorityHistory" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Agent">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="AgentPriorityHistory">
+              <PropertyRef Name="AgentID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_ProductSale_Agent">
+          <End Role="Agent" Type="Self.Agent" Multiplicity="1" />
+          <End Role="ProductSale" Type="Self.ProductSale" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Agent">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="ProductSale">
+              <PropertyRef Name="AgentID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_Shop_Agent">
+          <End Role="Agent" Type="Self.Agent" Multiplicity="1" />
+          <End Role="Shop" Type="Self.Shop" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Agent">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="Shop">
+              <PropertyRef Name="AgentID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_Material_MaterialType">
+          <End Role="MaterialType" Type="Self.MaterialType" Multiplicity="1" />
+          <End Role="Material" Type="Self.Material" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="MaterialType">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="Material">
+              <PropertyRef Name="MaterialTypeID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_MaterialCountHistory_Material">
+          <End Role="Material" Type="Self.Material" Multiplicity="1" />
+          <End Role="MaterialCountHistory" Type="Self.MaterialCountHistory" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Material">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="MaterialCountHistory">
+              <PropertyRef Name="MaterialID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_ProductMaterial_Material">
+          <End Role="Material" Type="Self.Material" Multiplicity="1" />
+          <End Role="ProductMaterial" Type="Self.ProductMaterial" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Material">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="ProductMaterial">
+              <PropertyRef Name="MaterialID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_Product_ProductType">
+          <End Role="ProductType" Type="Self.ProductType" Multiplicity="0..1" />
+          <End Role="Product" Type="Self.Product" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="ProductType">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="Product">
+              <PropertyRef Name="ProductTypeID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_ProductCostHistory_Product">
+          <End Role="Product" Type="Self.Product" Multiplicity="1" />
+          <End Role="ProductCostHistory" Type="Self.ProductCostHistory" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Product">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="ProductCostHistory">
+              <PropertyRef Name="ProductID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_ProductMaterial_Product">
+          <End Role="Product" Type="Self.Product" Multiplicity="1" />
+          <End Role="ProductMaterial" Type="Self.ProductMaterial" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Product">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="ProductMaterial">
+              <PropertyRef Name="ProductID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="FK_ProductSale_Product">
+          <End Role="Product" Type="Self.Product" Multiplicity="1" />
+          <End Role="ProductSale" Type="Self.ProductSale" Multiplicity="*" />
+          <ReferentialConstraint>
+            <Principal Role="Product">
+              <PropertyRef Name="ID" />
+            </Principal>
+            <Dependent Role="ProductSale">
+              <PropertyRef Name="ProductID" />
+            </Dependent>
+          </ReferentialConstraint>
+        </Association>
+        <Association Name="MaterialSupplier">
+          <End Role="Material" Type="Self.Material" Multiplicity="*" />
+          <End Role="Supplier" Type="Self.Supplier" Multiplicity="*" />
+        </Association>
+        <EntityContainer Name="Entities" annotation:LazyLoadingEnabled="true">
+          <EntitySet Name="Agent" EntityType="Self.Agent" />
+          <EntitySet Name="AgentPriorityHistory" EntityType="Self.AgentPriorityHistory" />
+          <EntitySet Name="AgentType" EntityType="Self.AgentType" />
+          <EntitySet Name="Material" EntityType="Self.Material" />
+          <EntitySet Name="MaterialCountHistory" EntityType="Self.MaterialCountHistory" />
+          <EntitySet Name="MaterialType" EntityType="Self.MaterialType" />
+          <EntitySet Name="Product" EntityType="Self.Product" />
+          <EntitySet Name="ProductCostHistory" EntityType="Self.ProductCostHistory" />
+          <EntitySet Name="ProductMaterial" EntityType="Self.ProductMaterial" />
+          <EntitySet Name="ProductSale" EntityType="Self.ProductSale" />
+          <EntitySet Name="ProductType" EntityType="Self.ProductType" />
+          <EntitySet Name="Shop" EntityType="Self.Shop" />
+          <EntitySet Name="Supplier" EntityType="Self.Supplier" />
+          <AssociationSet Name="FK_Agent_AgentType" Association="Self.FK_Agent_AgentType">
+            <End Role="AgentType" EntitySet="AgentType" />
+            <End Role="Agent" EntitySet="Agent" />
+          </AssociationSet>
+          <AssociationSet Name="FK_AgentPriorityHistory_Agent" Association="Self.FK_AgentPriorityHistory_Agent">
+            <End Role="Agent" EntitySet="Agent" />
+            <End Role="AgentPriorityHistory" EntitySet="AgentPriorityHistory" />
+          </AssociationSet>
+          <AssociationSet Name="FK_ProductSale_Agent" Association="Self.FK_ProductSale_Agent">
+            <End Role="Agent" EntitySet="Agent" />
+            <End Role="ProductSale" EntitySet="ProductSale" />
+          </AssociationSet>
+          <AssociationSet Name="FK_Shop_Agent" Association="Self.FK_Shop_Agent">
+            <End Role="Agent" EntitySet="Agent" />
+            <End Role="Shop" EntitySet="Shop" />
+          </AssociationSet>
+          <AssociationSet Name="FK_Material_MaterialType" Association="Self.FK_Material_MaterialType">
+            <End Role="MaterialType" EntitySet="MaterialType" />
+            <End Role="Material" EntitySet="Material" />
+          </AssociationSet>
+          <AssociationSet Name="FK_MaterialCountHistory_Material" Association="Self.FK_MaterialCountHistory_Material">
+            <End Role="Material" EntitySet="Material" />
+            <End Role="MaterialCountHistory" EntitySet="MaterialCountHistory" />
+          </AssociationSet>
+          <AssociationSet Name="FK_ProductMaterial_Material" Association="Self.FK_ProductMaterial_Material">
+            <End Role="Material" EntitySet="Material" />
+            <End Role="ProductMaterial" EntitySet="ProductMaterial" />
+          </AssociationSet>
+          <AssociationSet Name="FK_Product_ProductType" Association="Self.FK_Product_ProductType">
+            <End Role="ProductType" EntitySet="ProductType" />
+            <End Role="Product" EntitySet="Product" />
+          </AssociationSet>
+          <AssociationSet Name="FK_ProductCostHistory_Product" Association="Self.FK_ProductCostHistory_Product">
+            <End Role="Product" EntitySet="Product" />
+            <End Role="ProductCostHistory" EntitySet="ProductCostHistory" />
+          </AssociationSet>
+          <AssociationSet Name="FK_ProductMaterial_Product" Association="Self.FK_ProductMaterial_Product">
+            <End Role="Product" EntitySet="Product" />
+            <End Role="ProductMaterial" EntitySet="ProductMaterial" />
+          </AssociationSet>
+          <AssociationSet Name="FK_ProductSale_Product" Association="Self.FK_ProductSale_Product">
+            <End Role="Product" EntitySet="Product" />
+            <End Role="ProductSale" EntitySet="ProductSale" />
+          </AssociationSet>
+          <AssociationSet Name="MaterialSupplier" Association="Self.MaterialSupplier">
+            <End Role="Material" EntitySet="Material" />
+            <End Role="Supplier" EntitySet="Supplier" />
+          </AssociationSet>
+        </EntityContainer>
+      </Schema>
+    </edmx:ConceptualModels>
+    <!-- C-S mapping content -->
+    <edmx:Mappings>
+      <Mapping Space="C-S" xmlns="http://schemas.microsoft.com/ado/2009/11/mapping/cs">
+        <EntityContainerMapping StorageEntityContainer="Хранилище ModelContainer" CdmEntityContainer="Entities">
+          <EntitySetMapping Name="Agent">
+            <EntityTypeMapping TypeName="Model.Agent">
+              <MappingFragment StoreEntitySet="Agent">
+                <ScalarProperty Name="ID" ColumnName="ID" />
+                <ScalarProperty Name="Title" ColumnName="Title" />
+                <ScalarProperty Name="AgentTypeID" ColumnName="AgentTypeID" />
+                <ScalarProperty Name="Address" ColumnName="Address" />
+                <ScalarProperty Name="INN" ColumnName="INN" />
+                <ScalarProperty Name="KPP" ColumnName="KPP" />
+                <ScalarProperty Name="DirectorName" ColumnName="DirectorName" />
+                <ScalarProperty Name="Phone" ColumnName="Phone" />
+                <ScalarProperty Name="Email" ColumnName="Email" />
+                <ScalarProperty Name="Logo" ColumnName="Logo" />
+                <ScalarProperty Name="Priority" ColumnName="Priority" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+          <EntitySetMapping Name="AgentPriorityHistory">
+            <EntityTypeMapping TypeName="Model.AgentPriorityHistory">
+              <MappingFragment StoreEntitySet="AgentPriorityHistory">
+                <ScalarProperty Name="ID" ColumnName="ID" />
+                <ScalarProperty Name="AgentID" ColumnName="AgentID" />
+                <ScalarProperty Name="ChangeDate" ColumnName="ChangeDate" />
+                <ScalarProperty Name="PriorityValue" ColumnName="PriorityValue" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+          <EntitySetMapping Name="AgentType">
+            <EntityTypeMapping TypeName="Model.AgentType">
+              <MappingFragment StoreEntitySet="AgentType">
+                <ScalarProperty Name="ID" ColumnName="ID" />
+                <ScalarProperty Name="Title" ColumnName="Title" />
+                <ScalarProperty Name="Image" ColumnName="Image" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+          <EntitySetMapping Name="Material">
+            <EntityTypeMapping TypeName="Model.Material">
+              <MappingFragment StoreEntitySet="Material">
+                <ScalarProperty Name="ID" ColumnName="ID" />
+                <ScalarProperty Name="Title" ColumnName="Title" />
+                <ScalarProperty Name="CountInPack" ColumnName="CountInPack" />
+                <ScalarProperty Name="Unit" ColumnName="Unit" />
+                <ScalarProperty Name="CountInStock" ColumnName="CountInStock" />
+                <ScalarProperty Name="MinCount" ColumnName="MinCount" />
+                <ScalarProperty Name="Description" ColumnName="Description" />
+                <ScalarProperty Name="Cost" ColumnName="Cost" />
+                <ScalarProperty Name="Image" ColumnName="Image" />
+                <ScalarProperty Name="MaterialTypeID" ColumnName="MaterialTypeID" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+          <EntitySetMapping Name="MaterialCountHistory">
+            <EntityTypeMapping TypeName="Model.MaterialCountHistory">
+              <MappingFragment StoreEntitySet="MaterialCountHistory">
+                <ScalarProperty Name="ID" ColumnName="ID" />
+                <ScalarProperty Name="MaterialID" ColumnName="MaterialID" />
+                <ScalarProperty Name="ChangeDate" ColumnName="ChangeDate" />
+                <ScalarProperty Name="CountValue" ColumnName="CountValue" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+          <EntitySetMapping Name="MaterialType">
+            <EntityTypeMapping TypeName="Model.MaterialType">
+              <MappingFragment StoreEntitySet="MaterialType">
+                <ScalarProperty Name="ID" ColumnName="ID" />
+                <ScalarProperty Name="Title" ColumnName="Title" />
+                <ScalarProperty Name="DefectedPercent" ColumnName="DefectedPercent" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+          <EntitySetMapping Name="Product">
+            <EntityTypeMapping TypeName="Model.Product">
+              <MappingFragment StoreEntitySet="Product">
+                <ScalarProperty Name="ID" ColumnName="ID" />
+                <ScalarProperty Name="Title" ColumnName="Title" />
+                <ScalarProperty Name="ProductTypeID" ColumnName="ProductTypeID" />
+                <ScalarProperty Name="ArticleNumber" ColumnName="ArticleNumber" />
+                <ScalarProperty Name="Description" ColumnName="Description" />
+                <ScalarProperty Name="Image" ColumnName="Image" />
+                <ScalarProperty Name="ProductionPersonCount" ColumnName="ProductionPersonCount" />
+                <ScalarProperty Name="ProductionWorkshopNumber" ColumnName="ProductionWorkshopNumber" />
+                <ScalarProperty Name="MinCostForAgent" ColumnName="MinCostForAgent" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+          <EntitySetMapping Name="ProductCostHistory">
+            <EntityTypeMapping TypeName="Model.ProductCostHistory">
+              <MappingFragment StoreEntitySet="ProductCostHistory">
+                <ScalarProperty Name="ID" ColumnName="ID" />
+                <ScalarProperty Name="ProductID" ColumnName="ProductID" />
+                <ScalarProperty Name="ChangeDate" ColumnName="ChangeDate" />
+                <ScalarProperty Name="CostValue" ColumnName="CostValue" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+          <EntitySetMapping Name="ProductMaterial">
+            <EntityTypeMapping TypeName="Model.ProductMaterial">
+              <MappingFragment StoreEntitySet="ProductMaterial">
+                <ScalarProperty Name="ProductID" ColumnName="ProductID" />
+                <ScalarProperty Name="MaterialID" ColumnName="MaterialID" />
+                <ScalarProperty Name="Count" ColumnName="Count" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+          <EntitySetMapping Name="ProductSale">
+            <EntityTypeMapping TypeName="Model.ProductSale">
+              <MappingFragment StoreEntitySet="ProductSale">
+                <ScalarProperty Name="ID" ColumnName="ID" />
+                <ScalarProperty Name="AgentID" ColumnName="AgentID" />
+                <ScalarProperty Name="ProductID" ColumnName="ProductID" />
+                <ScalarProperty Name="SaleDate" ColumnName="SaleDate" />
+                <ScalarProperty Name="ProductCount" ColumnName="ProductCount" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+          <EntitySetMapping Name="ProductType">
+            <EntityTypeMapping TypeName="Model.ProductType">
+              <MappingFragment StoreEntitySet="ProductType">
+                <ScalarProperty Name="ID" ColumnName="ID" />
+                <ScalarProperty Name="Title" ColumnName="Title" />
+                <ScalarProperty Name="DefectedPercent" ColumnName="DefectedPercent" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+          <EntitySetMapping Name="Shop">
+            <EntityTypeMapping TypeName="Model.Shop">
+              <MappingFragment StoreEntitySet="Shop">
+                <ScalarProperty Name="ID" ColumnName="ID" />
+                <ScalarProperty Name="Title" ColumnName="Title" />
+                <ScalarProperty Name="Address" ColumnName="Address" />
+                <ScalarProperty Name="AgentID" ColumnName="AgentID" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+          <EntitySetMapping Name="Supplier">
+            <EntityTypeMapping TypeName="Model.Supplier">
+              <MappingFragment StoreEntitySet="Supplier">
+                <ScalarProperty Name="ID" ColumnName="ID" />
+                <ScalarProperty Name="Title" ColumnName="Title" />
+                <ScalarProperty Name="INN" ColumnName="INN" />
+                <ScalarProperty Name="StartDate" ColumnName="StartDate" />
+                <ScalarProperty Name="QualityRating" ColumnName="QualityRating" />
+                <ScalarProperty Name="SupplierType" ColumnName="SupplierType" />
+              </MappingFragment>
+            </EntityTypeMapping>
+          </EntitySetMapping>
+          <AssociationSetMapping Name="MaterialSupplier" TypeName="Model.MaterialSupplier" StoreEntitySet="MaterialSupplier">
+            <EndProperty Name="Material">
+              <ScalarProperty Name="ID" ColumnName="MaterialID" />
+            </EndProperty>
+            <EndProperty Name="Supplier">
+              <ScalarProperty Name="ID" ColumnName="SupplierID" />
+            </EndProperty>
+          </AssociationSetMapping>
+        </EntityContainerMapping>
+      </Mapping>
+    </edmx:Mappings>
+  </edmx:Runtime>
+  <!-- EF Designer content (DO NOT EDIT MANUALLY BELOW HERE) -->
+  <Designer xmlns="http://schemas.microsoft.com/ado/2009/11/edmx">
+    <Connection>
+      <DesignerInfoPropertySet>
+        <DesignerProperty Name="MetadataArtifactProcessing" Value="EmbedInOutputAssembly" />
+      </DesignerInfoPropertySet>
+    </Connection>
+    <Options>
+      <DesignerInfoPropertySet>
+        <DesignerProperty Name="ValidateOnBuild" Value="true" />
+        <DesignerProperty Name="EnablePluralization" Value="false" />
+        <DesignerProperty Name="IncludeForeignKeysInModel" Value="true" />
+        <DesignerProperty Name="UseLegacyProvider" Value="false" />
+        <DesignerProperty Name="CodeGenerationStrategy" Value="Нет" />
+      </DesignerInfoPropertySet>
+    </Options>
+    <!-- Diagram content (shape and connector positions) -->
+    <Diagrams></Diagrams>
+  </Designer>
+</edmx:Edmx>

DemoExam/Model/Model.edmx.diagram

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<edmx:Edmx Version="3.0" xmlns:edmx="http://schemas.microsoft.com/ado/2009/11/edmx">
+ <!-- EF Designer content (DO NOT EDIT MANUALLY BELOW HERE) -->
+  <edmx:Designer xmlns="http://schemas.microsoft.com/ado/2009/11/edmx">
+    <!-- Diagram content (shape and connector positions) -->
+    <edmx:Diagrams>
+      <Diagram DiagramId="5e05f8d106c8447c9d288a1f8671f6bd" Name="Diagram1">
+        <EntityTypeShape EntityType="Model.Agent" Width="1.5" PointX="3" PointY="13.125" IsExpanded="true" />
+        <EntityTypeShape EntityType="Model.AgentPriorityHistory" Width="1.5" PointX="5.25" PointY="16.75" IsExpanded="true" />
+        <EntityTypeShape EntityType="Model.AgentType" Width="1.5" PointX="0.75" PointY="14.25" IsExpanded="true" />
+        <EntityTypeShape EntityType="Model.Material" Width="1.5" PointX="3" PointY="8.625" IsExpanded="true" />
+        <EntityTypeShape EntityType="Model.MaterialCountHistory" Width="1.5" PointX="5.25" PointY="10.875" IsExpanded="true" />
+        <EntityTypeShape EntityType="Model.MaterialType" Width="1.5" PointX="0.75" PointY="9.5" IsExpanded="true" />
+        <EntityTypeShape EntityType="Model.Product" Width="1.5" PointX="3" PointY="3.375" IsExpanded="true" />
+        <EntityTypeShape EntityType="Model.ProductCostHistory" Width="1.5" PointX="5.25" PointY="4.125" IsExpanded="true" />
+        <EntityTypeShape EntityType="Model.ProductMaterial" Width="1.5" PointX="5.25" PointY="1.125" IsExpanded="true" />
+        <EntityTypeShape EntityType="Model.ProductSale" Width="1.5" PointX="5.25" PointY="7" IsExpanded="true" />
+        <EntityTypeShape EntityType="Model.ProductType" Width="1.5" PointX="0.75" PointY="4.25" IsExpanded="true" />
+        <EntityTypeShape EntityType="Model.Shop" Width="1.5" PointX="5.25" PointY="19.5" IsExpanded="true" />
+        <EntityTypeShape EntityType="Model.Supplier" Width="1.5" PointX="5.25" PointY="13.625" IsExpanded="true" />
+        <AssociationConnector Association="Model.FK_Agent_AgentType" ManuallyRouted="false" />
+        <AssociationConnector Association="Model.FK_AgentPriorityHistory_Agent" ManuallyRouted="false" />
+        <AssociationConnector Association="Model.FK_ProductSale_Agent" ManuallyRouted="false" />
+        <AssociationConnector Association="Model.FK_Shop_Agent" ManuallyRouted="false" />
+        <AssociationConnector Association="Model.FK_Material_MaterialType" ManuallyRouted="false" />
+        <AssociationConnector Association="Model.FK_MaterialCountHistory_Material" ManuallyRouted="false" />
+        <AssociationConnector Association="Model.FK_ProductMaterial_Material" ManuallyRouted="false" />
+        <AssociationConnector Association="Model.FK_Product_ProductType" ManuallyRouted="false" />
+        <AssociationConnector Association="Model.FK_ProductCostHistory_Product" ManuallyRouted="false" />
+        <AssociationConnector Association="Model.FK_ProductMaterial_Product" ManuallyRouted="false" />
+        <AssociationConnector Association="Model.FK_ProductSale_Product" ManuallyRouted="false" />
+        <AssociationConnector Association="Model.MaterialSupplier" ManuallyRouted="false" />
+      </Diagram>
+    </edmx:Diagrams>
+  </edmx:Designer>
+</edmx:Edmx>

DemoExam/Model/Model.tt

@@ -0,0 +1,733 @@
+<#@ template language="C#" debug="false" hostspecific="true"#>
+<#@ include file="EF6.Utility.CS.ttinclude"#><#@ 
+ output extension=".cs"#><#
+
+const string inputFile = @"Model.edmx";
+var textTransform = DynamicTextTransformation.Create(this);
+var code = new CodeGenerationTools(this);
+var ef = new MetadataTools(this);
+var typeMapper = new TypeMapper(code, ef, textTransform.Errors);
+var	fileManager = EntityFrameworkTemplateFileManager.Create(this);
+var itemCollection = new EdmMetadataLoader(textTransform.Host, textTransform.Errors).CreateEdmItemCollection(inputFile);
+var codeStringGenerator = new CodeStringGenerator(code, typeMapper, ef);
+
+if (!typeMapper.VerifyCaseInsensitiveTypeUniqueness(typeMapper.GetAllGlobalItems(itemCollection), inputFile))
+{
+    return string.Empty;
+}
+
+WriteHeader(codeStringGenerator, fileManager);
+
+foreach (var entity in typeMapper.GetItemsToGenerate<EntityType>(itemCollection))
+{
+    fileManager.StartNewFile(entity.Name + ".cs");
+    BeginNamespace(code);
+#>
+<#=codeStringGenerator.UsingDirectives(inHeader: false)#>
+<#=codeStringGenerator.EntityClassOpening(entity)#>
+{
+<#
+    var propertiesWithDefaultValues = typeMapper.GetPropertiesWithDefaultValues(entity);
+    var collectionNavigationProperties = typeMapper.GetCollectionNavigationProperties(entity);
+    var complexProperties = typeMapper.GetComplexProperties(entity);
+
+    if (propertiesWithDefaultValues.Any() || collectionNavigationProperties.Any() || complexProperties.Any())
+    {
+#>
+    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
+    public <#=code.Escape(entity)#>()
+    {
+<#
+        foreach (var edmProperty in propertiesWithDefaultValues)
+        {
+#>
+        this.<#=code.Escape(edmProperty)#> = <#=typeMapper.CreateLiteral(edmProperty.DefaultValue)#>;
+<#
+        }
+
+        foreach (var navigationProperty in collectionNavigationProperties)
+        {
+#>
+        this.<#=code.Escape(navigationProperty)#> = new HashSet<<#=typeMapper.GetTypeName(navigationProperty.ToEndMember.GetEntityType())#>>();
+<#
+        }
+
+        foreach (var complexProperty in complexProperties)
+        {
+#>
+        this.<#=code.Escape(complexProperty)#> = new <#=typeMapper.GetTypeName(complexProperty.TypeUsage)#>();
+<#
+        }
+#>
+    }
+
+<#
+    }
+
+    var simpleProperties = typeMapper.GetSimpleProperties(entity);
+    if (simpleProperties.Any())
+    {
+        foreach (var edmProperty in simpleProperties)
+        {
+#>
+    <#=codeStringGenerator.Property(edmProperty)#>
+<#
+        }
+    }
+
+    if (complexProperties.Any())
+    {
+#>
+
+<#
+        foreach(var complexProperty in complexProperties)
+        {
+#>
+    <#=codeStringGenerator.Property(complexProperty)#>
+<#
+        }
+    }
+
+    var navigationProperties = typeMapper.GetNavigationProperties(entity);
+    if (navigationProperties.Any())
+    {
+#>
+
+<#
+        foreach (var navigationProperty in navigationProperties)
+        {
+            if (navigationProperty.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many)
+            {
+#>
+    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+<#
+            }
+#>
+    <#=codeStringGenerator.NavigationProperty(navigationProperty)#>
+<#
+        }
+    }
+#>
+}
+<#
+    EndNamespace(code);
+}
+
+foreach (var complex in typeMapper.GetItemsToGenerate<ComplexType>(itemCollection))
+{
+    fileManager.StartNewFile(complex.Name + ".cs");
+    BeginNamespace(code);
+#>
+<#=codeStringGenerator.UsingDirectives(inHeader: false, includeCollections: false)#>
+<#=Accessibility.ForType(complex)#> partial class <#=code.Escape(complex)#>
+{
+<#
+    var complexProperties = typeMapper.GetComplexProperties(complex);
+    var propertiesWithDefaultValues = typeMapper.GetPropertiesWithDefaultValues(complex);
+
+    if (propertiesWithDefaultValues.Any() || complexProperties.Any())
+    {
+#>
+    public <#=code.Escape(complex)#>()
+    {
+<#
+        foreach (var edmProperty in propertiesWithDefaultValues)
+        {
+#>
+        this.<#=code.Escape(edmProperty)#> = <#=typeMapper.CreateLiteral(edmProperty.DefaultValue)#>;
+<#
+        }
+
+        foreach (var complexProperty in complexProperties)
+        {
+#>
+        this.<#=code.Escape(complexProperty)#> = new <#=typeMapper.GetTypeName(complexProperty.TypeUsage)#>();
+<#
+        }
+#>
+    }
+
+<#
+    }
+
+    var simpleProperties = typeMapper.GetSimpleProperties(complex);
+    if (simpleProperties.Any())
+    {
+        foreach(var edmProperty in simpleProperties)
+        {
+#>
+    <#=codeStringGenerator.Property(edmProperty)#>
+<#
+        }
+    }
+
+    if (complexProperties.Any())
+    {
+#>
+
+<#
+        foreach(var edmProperty in complexProperties)
+        {
+#>
+    <#=codeStringGenerator.Property(edmProperty)#>
+<#
+        }
+    }
+#>
+}
+<#
+    EndNamespace(code);
+}
+
+foreach (var enumType in typeMapper.GetEnumItemsToGenerate(itemCollection))
+{
+    fileManager.StartNewFile(enumType.Name + ".cs");
+    BeginNamespace(code);
+#>
+<#=codeStringGenerator.UsingDirectives(inHeader: false, includeCollections: false)#>
+<#
+    if (typeMapper.EnumIsFlags(enumType))
+    {
+#>
+[Flags]
+<#
+    }
+#>
+<#=codeStringGenerator.EnumOpening(enumType)#>
+{
+<#
+    var foundOne = false;
+    
+    foreach (MetadataItem member in typeMapper.GetEnumMembers(enumType))
+    {
+        foundOne = true;
+#>
+    <#=code.Escape(typeMapper.GetEnumMemberName(member))#> = <#=typeMapper.GetEnumMemberValue(member)#>,
+<#
+    }
+
+    if (foundOne)
+    {
+        this.GenerationEnvironment.Remove(this.GenerationEnvironment.Length - 3, 1);
+    }
+#>
+}
+<#
+    EndNamespace(code);
+}
+
+fileManager.Process();
+
+#>
+<#+
+
+public void WriteHeader(CodeStringGenerator codeStringGenerator, EntityFrameworkTemplateFileManager fileManager)
+{
+    fileManager.StartHeader();
+#>
+//------------------------------------------------------------------------------
+// <auto-generated>
+// <#=CodeGenerationTools.GetResourceString("Template_GeneratedCodeCommentLine1")#>
+//
+// <#=CodeGenerationTools.GetResourceString("Template_GeneratedCodeCommentLine2")#>
+// <#=CodeGenerationTools.GetResourceString("Template_GeneratedCodeCommentLine3")#>
+// </auto-generated>
+//------------------------------------------------------------------------------
+<#=codeStringGenerator.UsingDirectives(inHeader: true)#>
+<#+
+    fileManager.EndBlock();
+}
+
+public void BeginNamespace(CodeGenerationTools code)
+{
+    var codeNamespace = code.VsNamespaceSuggestion();
+    if (!String.IsNullOrEmpty(codeNamespace))
+    {
+#>
+namespace <#=code.EscapeNamespace(codeNamespace)#>
+{
+<#+
+        PushIndent("    ");
+    }
+}
+
+public void EndNamespace(CodeGenerationTools code)
+{
+    if (!String.IsNullOrEmpty(code.VsNamespaceSuggestion()))
+    {
+        PopIndent();
+#>
+}
+<#+
+    }
+}
+
+public const string TemplateId = "CSharp_DbContext_Types_EF6";
+
+public class CodeStringGenerator
+{
+    private readonly CodeGenerationTools _code;
+    private readonly TypeMapper _typeMapper;
+    private readonly MetadataTools _ef;
+
+    public CodeStringGenerator(CodeGenerationTools code, TypeMapper typeMapper, MetadataTools ef)
+    {
+        ArgumentNotNull(code, "code");
+        ArgumentNotNull(typeMapper, "typeMapper");
+        ArgumentNotNull(ef, "ef");
+
+        _code = code;
+        _typeMapper = typeMapper;
+        _ef = ef;
+    }
+
+    public string Property(EdmProperty edmProperty)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1} {2} {{ {3}get; {4}set; }}",
+            Accessibility.ForProperty(edmProperty),
+            _typeMapper.GetTypeName(edmProperty.TypeUsage),
+            _code.Escape(edmProperty),
+            _code.SpaceAfter(Accessibility.ForGetter(edmProperty)),
+            _code.SpaceAfter(Accessibility.ForSetter(edmProperty)));
+    }
+
+    public string NavigationProperty(NavigationProperty navProp)
+    {
+        var endType = _typeMapper.GetTypeName(navProp.ToEndMember.GetEntityType());
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1} {2} {{ {3}get; {4}set; }}",
+            AccessibilityAndVirtual(Accessibility.ForNavigationProperty(navProp)),
+            navProp.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many ? ("ICollection<" + endType + ">") : endType,
+            _code.Escape(navProp),
+            _code.SpaceAfter(Accessibility.ForGetter(navProp)),
+            _code.SpaceAfter(Accessibility.ForSetter(navProp)));
+    }
+    
+    public string AccessibilityAndVirtual(string accessibility)
+    {
+        return accessibility + (accessibility != "private" ? " virtual" : "");
+    }
+    
+    public string EntityClassOpening(EntityType entity)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1}partial class {2}{3}",
+            Accessibility.ForType(entity),
+            _code.SpaceAfter(_code.AbstractOption(entity)),
+            _code.Escape(entity),
+            _code.StringBefore(" : ", _typeMapper.GetTypeName(entity.BaseType)));
+    }
+    
+    public string EnumOpening(SimpleType enumType)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} enum {1} : {2}",
+            Accessibility.ForType(enumType),
+            _code.Escape(enumType),
+            _code.Escape(_typeMapper.UnderlyingClrType(enumType)));
+        }
+    
+    public void WriteFunctionParameters(EdmFunction edmFunction, Action<string, string, string, string> writeParameter)
+    {
+        var parameters = FunctionImportParameter.Create(edmFunction.Parameters, _code, _ef);
+        foreach (var parameter in parameters.Where(p => p.NeedsLocalVariable))
+        {
+            var isNotNull = parameter.IsNullableOfT ? parameter.FunctionParameterName + ".HasValue" : parameter.FunctionParameterName + " != null";
+            var notNullInit = "new ObjectParameter(\"" + parameter.EsqlParameterName + "\", " + parameter.FunctionParameterName + ")";
+            var nullInit = "new ObjectParameter(\"" + parameter.EsqlParameterName + "\", typeof(" + TypeMapper.FixNamespaces(parameter.RawClrTypeName) + "))";
+            writeParameter(parameter.LocalVariableName, isNotNull, notNullInit, nullInit);
+        }
+    }
+    
+    public string ComposableFunctionMethod(EdmFunction edmFunction, string modelNamespace)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} IQueryable<{1}> {2}({3})",
+            AccessibilityAndVirtual(Accessibility.ForMethod(edmFunction)),
+            _typeMapper.GetTypeName(_typeMapper.GetReturnType(edmFunction), modelNamespace),
+            _code.Escape(edmFunction),
+            string.Join(", ", parameters.Select(p => TypeMapper.FixNamespaces(p.FunctionParameterType) + " " + p.FunctionParameterName).ToArray()));
+    }
+    
+    public string ComposableCreateQuery(EdmFunction edmFunction, string modelNamespace)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "return ((IObjectContextAdapter)this).ObjectContext.CreateQuery<{0}>(\"[{1}].[{2}]({3})\"{4});",
+            _typeMapper.GetTypeName(_typeMapper.GetReturnType(edmFunction), modelNamespace),
+            edmFunction.NamespaceName,
+            edmFunction.Name,
+            string.Join(", ", parameters.Select(p => "@" + p.EsqlParameterName).ToArray()),
+            _code.StringBefore(", ", string.Join(", ", parameters.Select(p => p.ExecuteParameterName).ToArray())));
+    }
+    
+    public string FunctionMethod(EdmFunction edmFunction, string modelNamespace, bool includeMergeOption)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        var returnType = _typeMapper.GetReturnType(edmFunction);
+
+        var paramList = String.Join(", ", parameters.Select(p => TypeMapper.FixNamespaces(p.FunctionParameterType) + " " + p.FunctionParameterName).ToArray());
+        if (includeMergeOption)
+        {
+            paramList = _code.StringAfter(paramList, ", ") + "MergeOption mergeOption";
+        }
+
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} {1} {2}({3})",
+            AccessibilityAndVirtual(Accessibility.ForMethod(edmFunction)),
+            returnType == null ? "int" : "ObjectResult<" + _typeMapper.GetTypeName(returnType, modelNamespace) + ">",
+            _code.Escape(edmFunction),
+            paramList);
+    }
+    
+    public string ExecuteFunction(EdmFunction edmFunction, string modelNamespace, bool includeMergeOption)
+    {
+        var parameters = _typeMapper.GetParameters(edmFunction);
+        var returnType = _typeMapper.GetReturnType(edmFunction);
+
+        var callParams = _code.StringBefore(", ", String.Join(", ", parameters.Select(p => p.ExecuteParameterName).ToArray()));
+        if (includeMergeOption)
+        {
+            callParams = ", mergeOption" + callParams;
+        }
+        
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "return ((IObjectContextAdapter)this).ObjectContext.ExecuteFunction{0}(\"{1}\"{2});",
+            returnType == null ? "" : "<" + _typeMapper.GetTypeName(returnType, modelNamespace) + ">",
+            edmFunction.Name,
+            callParams);
+    }
+    
+    public string DbSet(EntitySet entitySet)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            "{0} virtual DbSet<{1}> {2} {{ get; set; }}",
+            Accessibility.ForReadOnlyProperty(entitySet),
+            _typeMapper.GetTypeName(entitySet.ElementType),
+            _code.Escape(entitySet));
+    }
+
+    public string UsingDirectives(bool inHeader, bool includeCollections = true)
+    {
+        return inHeader == string.IsNullOrEmpty(_code.VsNamespaceSuggestion())
+            ? string.Format(
+                CultureInfo.InvariantCulture,
+                "{0}using System;{1}" +
+                "{2}",
+                inHeader ? Environment.NewLine : "",
+                includeCollections ? (Environment.NewLine + "using System.Collections.Generic;") : "",
+                inHeader ? "" : Environment.NewLine)
+            : "";
+    }
+}
+
+public class TypeMapper
+{
+    private const string ExternalTypeNameAttributeName = @"http://schemas.microsoft.com/ado/2006/04/codegeneration:ExternalTypeName";
+
+    private readonly System.Collections.IList _errors;
+    private readonly CodeGenerationTools _code;
+    private readonly MetadataTools _ef;
+
+    public TypeMapper(CodeGenerationTools code, MetadataTools ef, System.Collections.IList errors)
+    {
+        ArgumentNotNull(code, "code");
+        ArgumentNotNull(ef, "ef");
+        ArgumentNotNull(errors, "errors");
+
+        _code = code;
+        _ef = ef;
+        _errors = errors;
+    }
+
+    public static string FixNamespaces(string typeName)
+    {
+        return typeName.Replace("System.Data.Spatial.", "System.Data.Entity.Spatial.");
+    }
+
+    public string GetTypeName(TypeUsage typeUsage)
+    {
+        return typeUsage == null ? null : GetTypeName(typeUsage.EdmType, _ef.IsNullable(typeUsage), modelNamespace: null);
+    }
+
+    public string GetTypeName(EdmType edmType)
+    {
+        return GetTypeName(edmType, isNullable: null, modelNamespace: null);
+    }
+
+    public string GetTypeName(TypeUsage typeUsage, string modelNamespace)
+    {
+        return typeUsage == null ? null : GetTypeName(typeUsage.EdmType, _ef.IsNullable(typeUsage), modelNamespace);
+    }
+
+    public string GetTypeName(EdmType edmType, string modelNamespace)
+    {
+        return GetTypeName(edmType, isNullable: null, modelNamespace: modelNamespace);
+    }
+
+    public string GetTypeName(EdmType edmType, bool? isNullable, string modelNamespace)
+    {
+        if (edmType == null)
+        {
+            return null;
+        }
+
+        var collectionType = edmType as CollectionType;
+        if (collectionType != null)
+        {
+            return String.Format(CultureInfo.InvariantCulture, "ICollection<{0}>", GetTypeName(collectionType.TypeUsage, modelNamespace));
+        }
+
+        var typeName = _code.Escape(edmType.MetadataProperties
+                                .Where(p => p.Name == ExternalTypeNameAttributeName)
+                                .Select(p => (string)p.Value)
+                                .FirstOrDefault())
+            ?? (modelNamespace != null && edmType.NamespaceName != modelNamespace ?
+                _code.CreateFullName(_code.EscapeNamespace(edmType.NamespaceName), _code.Escape(edmType)) :
+                _code.Escape(edmType));
+
+        if (edmType is StructuralType)
+        {
+            return typeName;
+        }
+
+        if (edmType is SimpleType)
+        {
+            var clrType = UnderlyingClrType(edmType);
+            if (!IsEnumType(edmType))
+            {
+                typeName = _code.Escape(clrType);
+            }
+
+            typeName = FixNamespaces(typeName);
+
+            return clrType.IsValueType && isNullable == true ?
+                String.Format(CultureInfo.InvariantCulture, "Nullable<{0}>", typeName) :
+                typeName;
+        }
+
+        throw new ArgumentException("edmType");
+    }
+    
+    public Type UnderlyingClrType(EdmType edmType)
+    {
+        ArgumentNotNull(edmType, "edmType");
+
+        var primitiveType = edmType as PrimitiveType;
+        if (primitiveType != null)
+        {
+            return primitiveType.ClrEquivalentType;
+        }
+
+        if (IsEnumType(edmType))
+        {
+            return GetEnumUnderlyingType(edmType).ClrEquivalentType;
+        }
+
+        return typeof(object);
+    }
+    
+    public object GetEnumMemberValue(MetadataItem enumMember)
+    {
+        ArgumentNotNull(enumMember, "enumMember");
+        
+        var valueProperty = enumMember.GetType().GetProperty("Value");
+        return valueProperty == null ? null : valueProperty.GetValue(enumMember, null);
+    }
+    
+    public string GetEnumMemberName(MetadataItem enumMember)
+    {
+        ArgumentNotNull(enumMember, "enumMember");
+        
+        var nameProperty = enumMember.GetType().GetProperty("Name");
+        return nameProperty == null ? null : (string)nameProperty.GetValue(enumMember, null);
+    }
+
+    public System.Collections.IEnumerable GetEnumMembers(EdmType enumType)
+    {
+        ArgumentNotNull(enumType, "enumType");
+
+        var membersProperty = enumType.GetType().GetProperty("Members");
+        return membersProperty != null 
+            ? (System.Collections.IEnumerable)membersProperty.GetValue(enumType, null)
+            : Enumerable.Empty<MetadataItem>();
+    }
+    
+    public bool EnumIsFlags(EdmType enumType)
+    {
+        ArgumentNotNull(enumType, "enumType");
+        
+        var isFlagsProperty = enumType.GetType().GetProperty("IsFlags");
+        return isFlagsProperty != null && (bool)isFlagsProperty.GetValue(enumType, null);
+    }
+
+    public bool IsEnumType(GlobalItem edmType)
+    {
+        ArgumentNotNull(edmType, "edmType");
+
+        return edmType.GetType().Name == "EnumType";
+    }
+
+    public PrimitiveType GetEnumUnderlyingType(EdmType enumType)
+    {
+        ArgumentNotNull(enumType, "enumType");
+
+        return (PrimitiveType)enumType.GetType().GetProperty("UnderlyingType").GetValue(enumType, null);
+    }
+
+    public string CreateLiteral(object value)
+    {
+        if (value == null || value.GetType() != typeof(TimeSpan))
+        {
+            return _code.CreateLiteral(value);
+        }
+
+        return string.Format(CultureInfo.InvariantCulture, "new TimeSpan({0})", ((TimeSpan)value).Ticks);
+    }
+    
+    public bool VerifyCaseInsensitiveTypeUniqueness(IEnumerable<string> types, string sourceFile)
+    {
+        ArgumentNotNull(types, "types");
+        ArgumentNotNull(sourceFile, "sourceFile");
+        
+        var hash = new HashSet<string>(StringComparer.InvariantCultureIgnoreCase);
+        if (types.Any(item => !hash.Add(item)))
+        {
+            _errors.Add(
+                new CompilerError(sourceFile, -1, -1, "6023",
+                    String.Format(CultureInfo.CurrentCulture, CodeGenerationTools.GetResourceString("Template_CaseInsensitiveTypeConflict"))));
+            return false;
+        }
+        return true;
+    }
+    
+    public IEnumerable<SimpleType> GetEnumItemsToGenerate(IEnumerable<GlobalItem> itemCollection)
+    {
+        return GetItemsToGenerate<SimpleType>(itemCollection)
+            .Where(e => IsEnumType(e));
+    }
+    
+    public IEnumerable<T> GetItemsToGenerate<T>(IEnumerable<GlobalItem> itemCollection) where T: EdmType
+    {
+        return itemCollection
+            .OfType<T>()
+            .Where(i => !i.MetadataProperties.Any(p => p.Name == ExternalTypeNameAttributeName))
+            .OrderBy(i => i.Name);
+    }
+
+    public IEnumerable<string> GetAllGlobalItems(IEnumerable<GlobalItem> itemCollection)
+    {
+        return itemCollection
+            .Where(i => i is EntityType || i is ComplexType || i is EntityContainer || IsEnumType(i))
+            .Select(g => GetGlobalItemName(g));
+    }
+
+    public string GetGlobalItemName(GlobalItem item)
+    {
+        if (item is EdmType)
+        {
+            return ((EdmType)item).Name;
+        }
+        else
+        {
+            return ((EntityContainer)item).Name;
+        }
+    }
+
+    public IEnumerable<EdmProperty> GetSimpleProperties(EntityType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type);
+    }
+    
+    public IEnumerable<EdmProperty> GetSimpleProperties(ComplexType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type);
+    }
+    
+    public IEnumerable<EdmProperty> GetComplexProperties(EntityType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is ComplexType && p.DeclaringType == type);
+    }
+    
+    public IEnumerable<EdmProperty> GetComplexProperties(ComplexType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is ComplexType && p.DeclaringType == type);
+    }
+
+    public IEnumerable<EdmProperty> GetPropertiesWithDefaultValues(EntityType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type && p.DefaultValue != null);
+    }
+    
+    public IEnumerable<EdmProperty> GetPropertiesWithDefaultValues(ComplexType type)
+    {
+        return type.Properties.Where(p => p.TypeUsage.EdmType is SimpleType && p.DeclaringType == type && p.DefaultValue != null);
+    }
+
+    public IEnumerable<NavigationProperty> GetNavigationProperties(EntityType type)
+    {
+        return type.NavigationProperties.Where(np => np.DeclaringType == type);
+    }
+    
+    public IEnumerable<NavigationProperty> GetCollectionNavigationProperties(EntityType type)
+    {
+        return type.NavigationProperties.Where(np => np.DeclaringType == type && np.ToEndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many);
+    }
+    
+    public FunctionParameter GetReturnParameter(EdmFunction edmFunction)
+    {
+        ArgumentNotNull(edmFunction, "edmFunction");
+
+        var returnParamsProperty = edmFunction.GetType().GetProperty("ReturnParameters");
+        return returnParamsProperty == null
+            ? edmFunction.ReturnParameter
+            : ((IEnumerable<FunctionParameter>)returnParamsProperty.GetValue(edmFunction, null)).FirstOrDefault();
+    }
+
+    public bool IsComposable(EdmFunction edmFunction)
+    {
+        ArgumentNotNull(edmFunction, "edmFunction");
+
+        var isComposableProperty = edmFunction.GetType().GetProperty("IsComposableAttribute");
+        return isComposableProperty != null && (bool)isComposableProperty.GetValue(edmFunction, null);
+    }
+
+    public IEnumerable<FunctionImportParameter> GetParameters(EdmFunction edmFunction)
+    {
+        return FunctionImportParameter.Create(edmFunction.Parameters, _code, _ef);
+    }
+
+    public TypeUsage GetReturnType(EdmFunction edmFunction)
+    {
+        var returnParam = GetReturnParameter(edmFunction);
+        return returnParam == null ? null : _ef.GetElementType(returnParam.TypeUsage);
+    }
+    
+    public bool GenerateMergeOptionFunction(EdmFunction edmFunction, bool includeMergeOption)
+    {
+        var returnType = GetReturnType(edmFunction);
+        return !includeMergeOption && returnType != null && returnType.EdmType.BuiltInTypeKind == BuiltInTypeKind.EntityType;
+    }
+}
+
+public static void ArgumentNotNull<T>(T arg, string name) where T : class
+{
+    if (arg == null)
+    {
+        throw new ArgumentNullException(name);
+    }
+}
+#>

DemoExam/Model/Product.cs

@@ -0,0 +1,43 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class Product
+    {
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
+        public Product()
+        {
+            this.ProductCostHistory = new HashSet<ProductCostHistory>();
+            this.ProductMaterial = new HashSet<ProductMaterial>();
+            this.ProductSale = new HashSet<ProductSale>();
+        }
+    
+        public int ID { get; set; }
+        public string Title { get; set; }
+        public Nullable<int> ProductTypeID { get; set; }
+        public string ArticleNumber { get; set; }
+        public string Description { get; set; }
+        public string Image { get; set; }
+        public Nullable<int> ProductionPersonCount { get; set; }
+        public Nullable<int> ProductionWorkshopNumber { get; set; }
+        public decimal MinCostForAgent { get; set; }
+    
+        public virtual ProductType ProductType { get; set; }
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<ProductCostHistory> ProductCostHistory { get; set; }
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<ProductMaterial> ProductMaterial { get; set; }
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<ProductSale> ProductSale { get; set; }
+    }
+}

DemoExam/Model/ProductCostHistory.cs

@@ -0,0 +1,24 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class ProductCostHistory
+    {
+        public int ID { get; set; }
+        public int ProductID { get; set; }
+        public System.DateTime ChangeDate { get; set; }
+        public decimal CostValue { get; set; }
+    
+        public virtual Product Product { get; set; }
+    }
+}

DemoExam/Model/ProductMaterial.cs

@@ -0,0 +1,24 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class ProductMaterial
+    {
+        public int ProductID { get; set; }
+        public int MaterialID { get; set; }
+        public Nullable<double> Count { get; set; }
+    
+        public virtual Material Material { get; set; }
+        public virtual Product Product { get; set; }
+    }
+}

DemoExam/Model/ProductSale.cs

@@ -0,0 +1,26 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class ProductSale
+    {
+        public int ID { get; set; }
+        public int AgentID { get; set; }
+        public int ProductID { get; set; }
+        public System.DateTime SaleDate { get; set; }
+        public int ProductCount { get; set; }
+    
+        public virtual Agent Agent { get; set; }
+        public virtual Product Product { get; set; }
+    }
+}

DemoExam/Model/ProductType.cs

@@ -0,0 +1,30 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class ProductType
+    {
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
+        public ProductType()
+        {
+            this.Product = new HashSet<Product>();
+        }
+    
+        public int ID { get; set; }
+        public string Title { get; set; }
+        public double DefectedPercent { get; set; }
+    
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<Product> Product { get; set; }
+    }
+}

DemoExam/Model/Shop.cs

@@ -0,0 +1,24 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class Shop
+    {
+        public int ID { get; set; }
+        public string Title { get; set; }
+        public string Address { get; set; }
+        public int AgentID { get; set; }
+    
+        public virtual Agent Agent { get; set; }
+    }
+}

DemoExam/Model/Supplier.cs

@@ -0,0 +1,33 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан по шаблону.
+//
+//     Изменения, вносимые в этот файл вручную, могут привести к непредвиденной работе приложения.
+//     Изменения, вносимые в этот файл вручную, будут перезаписаны при повторном создании кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DemoExam.Model
+{
+    using System;
+    using System.Collections.Generic;
+    
+    public partial class Supplier
+    {
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
+        public Supplier()
+        {
+            this.Material = new HashSet<Material>();
+        }
+    
+        public int ID { get; set; }
+        public string Title { get; set; }
+        public string INN { get; set; }
+        public System.DateTime StartDate { get; set; }
+        public Nullable<int> QualityRating { get; set; }
+        public string SupplierType { get; set; }
+    
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<Material> Material { get; set; }
+    }
+}

DemoExam/packages.config

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="EntityFramework" version="6.2.0" targetFramework="net472" />
+  <package id="EntityFramework.ru" version="6.2.0" targetFramework="net472" />
+</packages>

DemoExam/pages/agents/PageAgents.xaml

@@ -0,0 +1,48 @@
+<Page x:Class="DemoExam.pages.agents.PageAgents"
+      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+      xmlns:local="clr-namespace:DemoExam.pages.agents"
+      mc:Ignorable="d" 
+      d:DesignHeight="450" d:DesignWidth="800"
+      Title="PageAgents">
+
+    <Page.Resources>
+
+        <DataTemplate x:Key="listAgentTmpl">
+            <StackPanel Orientation="Horizontal">
+                <Image Width="200" Height="150"></Image>
+                <StackPanel Orientation="Vertical">
+                    <StackPanel Orientation="Horizontal">
+                        <TextBlock Text="тип"></TextBlock>
+                        <TextBlock Text=" | "></TextBlock>
+                        <TextBlock Text="Наименование"></TextBlock>
+                    </StackPanel>
+                    <StackPanel Orientation="Horizontal">
+                        <TextBlock Text="#количество продаж"></TextBlock>
+                        <TextBlock Text=" продаж за год"></TextBlock>
+                    </StackPanel>
+                    <StackPanel Orientation="Horizontal">
+                        <TextBlock Text="телефон"></TextBlock>
+                    </StackPanel>
+                    <StackPanel Orientation="Horizontal">
+                        <TextBlock Text="Приоритетность: "></TextBlock>
+                        <TextBlock Text="приоритетность"></TextBlock>
+                    </StackPanel>
+                </StackPanel>
+            </StackPanel>
+        </DataTemplate>
+    </Page.Resources>
+    
+    
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="2*"></RowDefinition>
+            <RowDefinition Height="10*"></RowDefinition>
+        </Grid.RowDefinitions>
+
+
+        <ListBox Grid.Row="1" ItemTemplate="{StaticResource listAgentTmpl}"></ListBox>
+    </Grid>
+</Page>

DemoExam/pages/agents/PageAgents.xaml.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace DemoExam.pages.agents
+{
+    /// <summary>
+    /// Логика взаимодействия для PageAgents.xaml
+    /// </summary>
+    public partial class PageAgents : Page
+    {
+        public PageAgents()
+        {
+            InitializeComponent();
+        }
+    }
+}