UIFIS/OUP/Qwerty.xaml

<Window x:Class="OUP.Qwerty"
        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:OUP"
        mc:Ignorable="d"
        Title="Qwerty" Height="450" Width="800">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition/>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="50"/>
            <RowDefinition/>
        </Grid.RowDefinitions>
        <DataGrid Grid.Row="1" Name="ProductsGrid" AutoGenerateColumns="False" IsReadOnly="True" ColumnWidth="*">
            <DataGrid.Columns>
                <DataGridTextColumn Header="Продукт" Binding="{Binding Product2.Name}"></DataGridTextColumn>
                <DataGridTextColumn Header="Цена" Binding="{Binding Product2.Price}"></DataGridTextColumn>
                <DataGridTextColumn Header="Поставщик" Binding="{Binding Product2.Supplier }"></DataGridTextColumn>
                <DataGridTextColumn Header="Дата поставки" Binding="{Binding Product2.Dates}"></DataGridTextColumn>

            </DataGrid.Columns>
        </DataGrid>
        <Button Height="30" Width="150" Name="Btndelete" Click="BtnDelete_Click" HorizontalAlignment="Center" Content="Удалить" Grid.Column="1" Margin="0,5,0,15"></Button>
        <Grid Grid.Column="1" Grid.Row="1">
            <Grid.ColumnDefinitions>
                <ColumnDefinition/>
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>
            <Grid.RowDefinitions>
                <RowDefinition/>
                <RowDefinition/>
                <RowDefinition/>
                <RowDefinition/>
                <RowDefinition/>
            </Grid.RowDefinitions>
            <TextBlock Text="Продукт" HorizontalAlignment="Left" VerticalAlignment="Center" Grid.ColumnSpan="2" Margin="157,0,0,0"></TextBlock>
            <TextBlock Text="Цена" HorizontalAlignment="Left" VerticalAlignment="Top" Grid.Row="1" Grid.ColumnSpan="2" Margin="184,38,0,0"></TextBlock>
            <TextBlock Text="Производитель" HorizontalAlignment="Left" VerticalAlignment="Center" Grid.Row="2" Grid.ColumnSpan="2" Margin="170,0,0,0"></TextBlock>
            <TextBlock Text="Дата" HorizontalAlignment="Left" VerticalAlignment="Top" Grid.Row="3" Grid.ColumnSpan="2" Margin="183,39,0,0"></TextBlock>
            <TextBox VerticalAlignment="Top" Name="TbProduct" Grid.ColumnSpan="2" Margin="100,59,100,0" Grid.RowSpan="2"/>
            <TextBox VerticalAlignment="Top" Name="TbPrice" Grid.Row="1" Grid.ColumnSpan="2" Margin="100,59,100,0" Grid.RowSpan="2"/>
            <TextBox VerticalAlignment="Top" Name="TbSupplier" Grid.Row="2" Grid.ColumnSpan="2" Margin="98,58,102,0"/>
            <TextBox VerticalAlignment="Top" Name="TbDate" Grid.Row="3" Grid.ColumnSpan="2" Margin="100,59,100,0"/>
            <Button Grid.Row="4" Name="BtnInsert" Click="BtnInsert_Click" Height="30" Width="150" Content="Добавить"></Button>
            <Button Grid.Column="1" Grid.Row="4" Name="BtnUpdate" Click="BtnUpdate_Click" Height="30" Width="150" Content="Обновить"></Button>
        </Grid>


    </Grid>
</Window>