Hi,

 BackgroundWorker only raise event ProgressChanged when you call method ReportProgress(). Could you show me how to calculate percent complete of loading data into grid and grid render to display.

My application have data about 20.000 – 50.000, so I need this very much.

Thanks! 

UltraGrid provide 2 mode when click Header: Sort or Select Column

In order to disable Sor, set property HeaderClickAction = Select.
Ex: UltraWinGrid.DisplayLayout.Override.HeaderClickAction = Select

If you dont want to Select column after set HeaderClickAction = Select, set property:

 UltraWinGrid.DisplayLayout.Override.SelectTypeCol = None

Goodluck