Disable collapsing in Silverlight DataGrid group header

Question

How can I disable the collapsing in Silverlight DataGrid group header row? I don't want to hide that row!

Answer 1

Add this to the Xaml of your data grid:-

        <sdk:DataGrid.RowGroupHeaderStyles>
            <Style TargetType="sdk:DataGridRowGroupHeader">
                <Setter Property="IsEnabled" Value="False"/>
            </Style>
        </sdk:DataGrid.RowGroupHeaderStyles>

Answer 2

try this

private void datagrid_LoadingRowGroup(object sender, DataGridRowGroupHeaderEventArgs e)
{
   e.RowGroupHeader.IsHitTestVisible = false;
}