Export to Excel need to remove Icon on header

[Paul]

Hi,

Need help on I export data to Excel it show image on the header column how to remove this filter icon, the columns is dynamic generated.

And here the code I export to Excel

  rtlist.GetColumnSafe("Actions").Display = false;
  rtlist.ExportSettings.IgnorePaging = true;
  rtlist.ExportSettings.OpenInNewWindow = true;
  rtlist.ExportSettings.ExportMode = TreeListExportMode.ReplaceControls;
  rtlist.ExportToExcel(); 

 

Thank

Paul S