<UserControl x:Class="WpfApp.Views.OrderView"
             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" 
             mc:Ignorable="d" 
             d:DesignHeight="300" d:DesignWidth="300">
    <Grid x:Name="dta">
        <StackPanel>            
            <Grid>
                <Grid.ColumnDefinitions>
                    <ColumnDefinition />
                    <ColumnDefinition />
                </Grid.ColumnDefinitions>
                <Grid.RowDefinitions>
                    <RowDefinition />
                    <RowDefinition />
                    <RowDefinition />
                    <RowDefinition />
                </Grid.RowDefinitions>
                <TextBlock Grid.Column="0" Grid.Row="0" Text="№" />
                <TextBox Grid.Column="1" Grid.Row="0" Text="{Binding Id}" />
                <TextBlock Grid.Column="0" Grid.Row="1" Text="Дата" />
                <DatePicker Grid.Column="1" Grid.Row="1" SelectedDate="{Binding Date}" />
                <TextBlock Grid.Column="0" Grid.Row="2" Text="Название" />
                <TextBox Grid.Column="1" Grid.Row="2" Text="{Binding Name}" />
                <TextBlock Grid.Column="0" Grid.Row="3" Text="Описание" />
                <TextBox Grid.Column="1" Grid.Row="3" Text="{Binding Description}" />
            </Grid>
            <DataGrid Name="zzz" AutoGenerateColumns="False" IsSynchronizedWithCurrentItem="True" SelectedItem="{Binding SelectedDetail}" ItemsSource="{Binding Details}">
                <DataGrid.Columns>
                    <DataGridComboBoxColumn Header="Продукт" SelectedItemBinding="{Binding Product}" ItemsSource="{Binding ElementName=zzz, Path=DataContext.AllProducts}" />
                    <DataGridTextColumn Header="Количество" Binding="{Binding Quantity}" />
                </DataGrid.Columns>
            </DataGrid>
        </StackPanel>
    </Grid>
</UserControl>