Multi-Column Headers not working after export

[RICARDO]

I created the columns and groupcolumn dynamically, but when export the grid, the error below appears:

Invalid column group configuration! Column "Code" cannot be after column "Name"

So I put the IsPostBack event (see below), and the error not appears more, but the group header not appear in file exported.

if (!Page.IsPostBack)


{

 columnGroup = grdDados.MasterTableView.ColumnGroups.FindGroupByName(row["Nome"].ToString());

if (columnGroup == null)

{

 columnGroup = new GridColumnGroup();

 columnGroup.HeaderText = row["Nome"].ToString();

 columnGroup.Name = row["Nome"].ToString();

 grdDados.MasterTableView.ColumnGroups.Add(columnGroup);

}

Help-me!!!!

[Kostadin]

Hello Ricardo,

I was not able to reproduce your issue. I prepared a small sample and attached it to this thread. Could you please give it a try and let me know how it differs from your real setup.

Greetings,
Kostadin
the Telerik team