kursach/veloprokat2/Window1.xaml

<Window x:Class="veloprokat2.Window1"
        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:veloprokat2"
        mc:Ignorable="d"
        Title="Список продавцов" Height="600" Width="800" WindowStyle="None">
    <Grid Background="#EAF4F4">
        <DataGrid   HorizontalAlignment="Right"  Margin="0,10,10,0" VerticalAlignment="Top" Width="600" AutoGenerateColumns="True" Name="prodinfo" Height="509">
        </DataGrid>
        <Button Content="Вернуться" Click="Vixod" Margin="10,161,639.6,393.6" FontSize="11" VerticalAlignment="Center" HorizontalAlignment="Center" Width="144"/>
        <Button Content="Добавить" Click="Insert" Margin="10,95,639.6,443.4" FontSize="11" VerticalAlignment="Center" HorizontalAlignment="Center" Width="144"/>
    </Grid>
</Window>