<Grid xmlns:xcdg="http://schemas.xceed.com/wpf/xaml/datagrid">
  <Grid.Resources>
    <xcdg:DataGridCollectionViewSource x:Key="cvs_orders"
                                    Source="{Binding Source={x:Static Application.Current},
                                                        Path=Orders}"/>
   <Style x:Key="insertionrow_style"
          TargetType="{x:Type xcdg:InsertionRow}">
     <Setter Property="Template">
       <Setter.Value>
         <ControlTemplate TargetType="{x:Type xcdg:InsertionRow}">
            <Expander Header="Insert New Data">
              <Border BorderBrush="LightBlue"
                      BorderThickness="0, 1, 0, 1">
               <xcdg:FixedCellPanel x:Name="PART_CellsHost"
                  FixedCellCount="{xcdg:ViewBinding FixedColumnCount, Mode=TwoWay}"
                  SplitterStyle="{TemplateBinding xcdg:TableView.FixedColumnSplitterStyle}"
                  SplitterWidth="{xcdg:ViewBinding FixedColumnSplitterWidth}"
                  ShowSplitter="{xcdg:ViewBinding ShowFixedColumnSplitter}"
                  FixedColumnDropMarkPen="{xcdg:ViewBinding FixedColumnDropMarkPen}"
                  Background="LightBlue"/>
              </Border>
            </Expander>
         </ControlTemplate>
       </Setter.Value>
     </Setter>
   </Style>
  </Grid.Resources>
  <xcdg:DataGridControl x:Name="OrdersGrid"
                        ItemsSource="{Binding Source={StaticResource cvs_orders}}">
    <xcdg:DataGridControl.View>
      <xcdg:TableView>
        <xcdg:TableView.FixedFooters>
         <DataTemplate>
           <xcdg:InsertionRow Style="{StaticResource insertionrow_style}"/>
         </DataTemplate>
        </xcdg:TableView.FixedFooters>
      </xcdg:TableView>
    </xcdg:DataGridControl.View>
  </xcdg:DataGridControl>   
</Grid>