TheProgramForTheTechnicalSupportDepartment/Practics/Views/TicketWindow.xaml

<Window x:Class="Practics.TicketWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:Practics"
        mc:Ignorable="d"
        Title="Заявки" Height="800" Width="1000" MinWidth="560" MinHeight="600">
    
    <Grid>
    <TabControl> 
        <TabItem Header="Новая" Selector.IsSelected="True">
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="1*"/>
                <RowDefinition Height="40px"/>
                <RowDefinition Height="40px"/>
                <RowDefinition Height="40px"/>
                <RowDefinition Height="40px"/>
                <RowDefinition Height="40px"/>
                <RowDefinition Height="40px"/>
                <RowDefinition Height="40px"/>
                <RowDefinition Height="40px"/>
                <RowDefinition Height="40px"/>
                <RowDefinition Height="40px"/>
                <RowDefinition Height="80px"/>
                <RowDefinition/>
            </Grid.RowDefinitions>

            <Label Grid.Row="0"  Content="TechSphere" HorizontalContentAlignment="Left" FontFamily="Segoe UI" FontWeight="SemiBold"/>
            <Label Grid.Row="1" Foreground="Black" Content="ФИО сотрудника" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" FontFamily="Segoe UI" FontWeight="SemiBold"/>
            <TextBox  Grid.Row="2" x:Name="tbUserName" Width="200px" FontFamily="Segoe UI" FontWeight="SemiBold" Margin="0,5" IsReadOnly="False"/>
            <Label Grid.Row="3" Foreground="Black" Content="Наименование проблемы" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" FontFamily="Segoe UI" FontWeight="SemiBold"/>
            <TextBox Grid.Row="4" x:Name="tbProblemName" Width="200px" FontFamily="Segoe UI" FontWeight="SemiBold" Margin="0,5"/>
            <Label Grid.Row="5" Foreground="Black" Content="Тип проблемы" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" FontFamily="Segoe UI" FontWeight="SemiBold"/>
            <ComboBox Grid.Row="6" x:Name="cbProblemType" Width="200px" FontFamily="Segoe UI" FontWeight="SemiBold" Margin="0,5" />
            <Label Grid.Row="7" Foreground="Black" Content="Номер ПК" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" FontFamily="Segoe UI" FontWeight="SemiBold"/>
            <TextBox Grid.Row="8" x:Name="tbPCName"  Width="200px" FontFamily="Segoe UI" FontWeight="SemiBold" Margin="0,5"/>
            <Label Grid.Row="9" Foreground="Black" Content="Описание проблемы" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" FontFamily="Segoe UI" FontWeight="SemiBold"/>
            <TextBox Grid.Row="10" x:Name="tbProblemDescribe"  Width="300px" FontFamily="Segoe UI" FontWeight="SemiBold" Margin="0,5" AcceptsReturn="True"/>
            <Button Grid.Row="11"  x:Name="btnSendProblem" Content="Отправить" Background="LightSkyBlue" Foreground="Black" Width="200px" FontFamily="Segoe UI" FontWeight="SemiBold" Margin="0,5" Click="btnSendProblem_Click"/>
            <Button Grid.Row="0" x:Name="btnExit" Content="Выход" Width="100" Height="40" HorizontalAlignment="Right" VerticalAlignment="Top" Click="btnExit_Click"/>
        </Grid>
        </TabItem>
            <TabItem Header="Архив" Selector.IsSelected="False" GotFocus="TabItem_GotFocus" >
                <Grid>
                    <Grid.RowDefinitions>
                        <RowDefinition Height="40px"/>
                        <RowDefinition Height="300px"/>
                        <RowDefinition/>
                        <RowDefinition Height="40px"/>
                    </Grid.RowDefinitions>
                    <StackPanel>
                        <Button x:Name="btnRefillProblems" Click="btnRefillProblems_Click">Обновить</Button>
                    </StackPanel>
                    <DataGrid Grid.Row="1" x:Name="dgUserTickets" IsReadOnly="True" AutoGenerateColumns="False" CanUserAddRows="False" CanUserReorderColumns="True" HorizontalAlignment="Left" SelectionChanged="dgUserTickets_SelectionChanged">
                        <DataGrid.Columns>
                            <DataGridTextColumn Header="Фамилия" Binding="{Binding LastName}"/>
                            <DataGridTextColumn Header="Время заявки" Binding="{Binding ProblemTime}" Width="*" MinWidth="100"/>
                            <DataGridTextColumn Header="Время решения" Binding="{Binding SolvedTime}" Width="*" MinWidth="100"/>
                            <DataGridTextColumn Header="Название заявки" Binding="{Binding ProblemName}" Width="*" MinWidth="100"/>
                            <DataGridTextColumn Header="Номер компьютера" Binding="{Binding PCNumber}" Width="*" MinWidth="100"/>
                            <DataGridComboBoxColumn x:Name="dgcbcStatus"  SelectedValueBinding="{Binding ProblemStatusID}" Header="Статус"  Width="100" MinWidth="100"/>
                            
                        </DataGrid.Columns>
                    </DataGrid>
                    <!--<TextBox x:Name="tbProblemDescribe2" Grid.Row="2" Text="{Binding ProblemDescribe,Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" AcceptsReturn="True" IsReadOnly="True"/>-->
                    <RichTextBox x:Name="rtbChat" Grid.Row="2" IsReadOnly="True"></RichTextBox>
                    <StackPanel Grid.Row="3" Orientation="Horizontal" HorizontalAlignment="Left" Width="900">
                        <TextBox x:Name="tbMessage" Width="700">123123</TextBox>

                        <Button x:Name="btnSendMessage" Width="150px" HorizontalAlignment="Right" Click="btnSendMessage_Click">Отправить</Button>
                    </StackPanel>
                    
                </Grid>
            </TabItem>
    </TabControl>
    </Grid>
</Window>