gridview add group by column and hiding the automatically added column header

[W]

when I use the group by (move a column to the group by header)

there is a empty column added.

How can I hide these?

[Stefan Nenchev]

Hello,

The element which you need to hide is of type IndentPresenter. You can attach to the Grouping event of RadGridView and hide its visibility in the following manner:

private void clubsGrid_Grouping(object sender, GridViewGroupingEventArgs e)
      {
          var element = this.clubsGrid.ChildrenOfType<IndentPresenter>().Where(c => c.Name == "PART_IndentPresenter").FirstOrDefault();
          element.Visibility = System.Windows.Visibility.Collapsed;
      }

Please give it a try and update me whether it has worked for you.

Regards,
Stefan Nenchev
Telerik by Progress