TIWCGJQGridCol.OnUpdateControl Event
This event is used when Col.Formatter = gcfControl and FormatOptionsControl.CreateCellsOnRender = False. It's called before grids create a cell control based on ControlTemplate. User should update the properties in the ControlTemplate and childs. After this, the Grid will create cloned cell controls
published property OnUpdateControl: TIWCGJQGridColUpdateControlEvent read FOnUpdateControl write FOnUpdateControl;