<DataGrid ItemsSource="{Binding Path=Kabonents}"
		  Name="dg1"
		  AutoGenerateColumns="True"
		  Grid.Row="1" Grid.ColumnSpan="3" 
		  VirtualizingStackPanel.VirtualizationMode="Recycling"
		  VirtualizingStackPanel.IsVirtualizing="True"
		  RowDetailsVisibilityMode="VisibleWhenSelected" HorizontalAlignment="Left" Width="315">
	<!--При выборе строки таблицы будет разворачиваться список участников-->
	<DataGrid.RowDetailsTemplate>
		<DataTemplate>
			<DataGrid Name="dg_detail1" AutoGenerateColumns="True" Grid.Column="3" Grid.Row="1" HorizontalAlignment="Left" VerticalAlignment="Top"
		  ItemsSource="{Binding Path=KELECBAs}">
			</DataGrid>
		</DataTemplate>
	</DataGrid.RowDetailsTemplate>
</DataGrid>
<DataGrid Name="dg_detail2" AutoGenerateColumns="True" Grid.Column="3" Grid.Row="1" HorizontalAlignment="Left" VerticalAlignment="Top" DataContext="{Binding Path=CurrentItem}">
</DataGrid>

<DataGrid Name="dg_detail2" AutoGenerateColumns="True" Grid.Column="3" Grid.Row="1" 
HorizontalAlignment="Left" Margin="2,0,0,0" VerticalAlignment="Top" 
IsSynchronizedWithCurrentItem="True" 
DataContext="{Binding Path=SelectedItem, ElementName=dg1}" 
ItemsSource="{Binding Path=KELECBAs}"/>