Hide dynamically a GridViewDataColumn in a GridViewTableDefinition

[Pierrick]

Hi,

I need to hide dynamically a GridViewDataColumn in a hierarchical grid.

Dim column As GridViewDataColumn = Nothing
// _def is a GridViewTableDefinition added to my grid

                For Each column In _def.FieldDescriptors
                    If column.UniqueName.Equals(name) Then
                        column.IsVisible = false
                        Exit For
                    End If
                Next
           
My column is always visible. How can i do this ?
Thx

[Pierrick]

Nobody knows how to hide a column in a hierarchical radgridview ?
Hide the column in the tabledefinition doesn't hide the column in my grid.
Is it possible to update the appearence of my hierarchical grid after rendering "isvisible" property to false at the column ?

Please help !!!