Hi, I have in my grid an datetime unbount colums. The type of the column is datetime and the stype is datetime. When I change the date from the dropdown calendar, grid fired the CellChange event. but when I update the cell ( e.Cell.Row.Update() ) the event AfterCellUpdate not start. I have other editable cell and when the program execute e.Cell.Row.Update() the AfterCellUpdate event is invoked, for this columns, but not for unbound datetime column. Seems that the calendar controll still remain on the screen. Any idea ? Thanks!