protected override void CreatePopupEditForm() { if (RenderHelper.RequireRenderEditFormPopup) { PopupEditForm = new ASPxSmartGridViewHtmlEditFormPopup(Grid, DataProxy.EditingRowVisibleIndex); Controls.Add(PopupEditForm); PopupEditForm.EnableViewState = false; PopupEditForm.ClientSideEvents.CloseButtonClick = Scripts.GetClosePopupEditFormFunction().ToCommonEventHandler(); } }