Test/WpfApp1/Model1.edmx

<?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 user7Model" 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="Table_1">
          <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="Description" Type="nvarchar" MaxLength="50" />
        </EntityType>
        <EntityType Name="Table_2">
          <Key>
            <PropertyRef Name="Id" />
          </Key>
          <Property Name="Id" Type="int" Nullable="false" />
          <Property Name="IdTable1" Type="int" Nullable="false" />
          <Property Name="Title" Type="nchar" MaxLength="10" />
          <Property Name="Type" Type="int" />
        </EntityType>
        <EntityType Name="Table_3">
          <Key>
            <PropertyRef Name="IDType" />
          </Key>
          <Property Name="IDType" Type="int" Nullable="false" />
          <Property Name="Name" Type="nvarchar" MaxLength="50" />
        </EntityType>
        <Association Name="FK_Table_2_Table_1">
          <End Role="Table_1" Type="Self.Table_1" Multiplicity="1" />
          <End Role="Table_2" Type="Self.Table_2" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Table_1">
              <PropertyRef Name="Id" />
            </Principal>
            <Dependent Role="Table_2">
              <PropertyRef Name="IdTable1" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_Table_2_Table_3">
          <End Role="Table_3" Type="Self.Table_3" Multiplicity="0..1" />
          <End Role="Table_2" Type="Self.Table_2" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Table_3">
              <PropertyRef Name="IDType" />
            </Principal>
            <Dependent Role="Table_2">
              <PropertyRef Name="Type" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <EntityContainer Name="Хранилище user7ModelContainer">
          <EntitySet Name="Table_1" EntityType="Self.Table_1" Schema="dbo" store:Type="Tables" />
          <EntitySet Name="Table_2" EntityType="Self.Table_2" Schema="dbo" store:Type="Tables" />
          <EntitySet Name="Table_3" EntityType="Self.Table_3" Schema="dbo" store:Type="Tables" />
          <AssociationSet Name="FK_Table_2_Table_1" Association="Self.FK_Table_2_Table_1">
            <End Role="Table_1" EntitySet="Table_1" />
            <End Role="Table_2" EntitySet="Table_2" />
          </AssociationSet>
          <AssociationSet Name="FK_Table_2_Table_3" Association="Self.FK_Table_2_Table_3">
            <End Role="Table_3" EntitySet="Table_3" />
            <End Role="Table_2" EntitySet="Table_2" />
          </AssociationSet>
        </EntityContainer>
      </Schema>
    </edmx:StorageModels>
    <!-- CSDL content -->
    <edmx:ConceptualModels>
      <Schema Namespace="user7Model" 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="Table_1">
          <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="Description" Type="String" MaxLength="50" FixedLength="false" Unicode="true" />
          <NavigationProperty Name="Table_2" Relationship="Self.FK_Table_2_Table_1" FromRole="Table_1" ToRole="Table_2" />
        </EntityType>
        <EntityType Name="Table_2">
          <Key>
            <PropertyRef Name="Id" />
          </Key>
          <Property Name="Id" Type="Int32" Nullable="false" />
          <Property Name="IdTable1" Type="Int32" Nullable="false" />
          <Property Name="Title" Type="String" MaxLength="10" FixedLength="true" Unicode="true" />
          <Property Name="Type" Type="Int32" />
          <NavigationProperty Name="Table_1" Relationship="Self.FK_Table_2_Table_1" FromRole="Table_2" ToRole="Table_1" />
          <NavigationProperty Name="Table_3" Relationship="Self.FK_Table_2_Table_3" FromRole="Table_2" ToRole="Table_3" />
        </EntityType>
        <EntityType Name="Table_3">
          <Key>
            <PropertyRef Name="IDType" />
          </Key>
          <Property Name="IDType" Type="Int32" Nullable="false" />
          <Property Name="Name" Type="String" MaxLength="50" FixedLength="false" Unicode="true" />
          <NavigationProperty Name="Table_2" Relationship="Self.FK_Table_2_Table_3" FromRole="Table_3" ToRole="Table_2" />
        </EntityType>
        <Association Name="FK_Table_2_Table_1">
          <End Role="Table_1" Type="Self.Table_1" Multiplicity="1" />
          <End Role="Table_2" Type="Self.Table_2" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Table_1">
              <PropertyRef Name="Id" />
            </Principal>
            <Dependent Role="Table_2">
              <PropertyRef Name="IdTable1" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <Association Name="FK_Table_2_Table_3">
          <End Role="Table_3" Type="Self.Table_3" Multiplicity="0..1" />
          <End Role="Table_2" Type="Self.Table_2" Multiplicity="*" />
          <ReferentialConstraint>
            <Principal Role="Table_3">
              <PropertyRef Name="IDType" />
            </Principal>
            <Dependent Role="Table_2">
              <PropertyRef Name="Type" />
            </Dependent>
          </ReferentialConstraint>
        </Association>
        <EntityContainer Name="user7Entities" annotation:LazyLoadingEnabled="true">
          <EntitySet Name="Table_1" EntityType="Self.Table_1" />
          <EntitySet Name="Table_2" EntityType="Self.Table_2" />
          <EntitySet Name="Table_3" EntityType="Self.Table_3" />
          <AssociationSet Name="FK_Table_2_Table_1" Association="Self.FK_Table_2_Table_1">
            <End Role="Table_1" EntitySet="Table_1" />
            <End Role="Table_2" EntitySet="Table_2" />
          </AssociationSet>
          <AssociationSet Name="FK_Table_2_Table_3" Association="Self.FK_Table_2_Table_3">
            <End Role="Table_3" EntitySet="Table_3" />
            <End Role="Table_2" EntitySet="Table_2" />
          </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 user7ModelContainer" CdmEntityContainer="user7Entities">
          <EntitySetMapping Name="Table_1">
            <EntityTypeMapping TypeName="user7Model.Table_1">
              <MappingFragment StoreEntitySet="Table_1">
                <ScalarProperty Name="Id" ColumnName="Id" />
                <ScalarProperty Name="Title" ColumnName="Title" />
                <ScalarProperty Name="Description" ColumnName="Description" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="Table_2">
            <EntityTypeMapping TypeName="user7Model.Table_2">
              <MappingFragment StoreEntitySet="Table_2">
                <ScalarProperty Name="Id" ColumnName="Id" />
                <ScalarProperty Name="IdTable1" ColumnName="IdTable1" />
                <ScalarProperty Name="Title" ColumnName="Title" />
                <ScalarProperty Name="Type" ColumnName="Type" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
          <EntitySetMapping Name="Table_3">
            <EntityTypeMapping TypeName="user7Model.Table_3">
              <MappingFragment StoreEntitySet="Table_3">
                <ScalarProperty Name="IDType" ColumnName="IDType" />
                <ScalarProperty Name="Name" ColumnName="Name" />
              </MappingFragment>
            </EntityTypeMapping>
          </EntitySetMapping>
        </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>