If the OrderOption changed radgrid _prerebder is fired butVisible = true; Columns are not showing if (OrderOption == "Order Pending") { foreach (GridDataItem item in RadGrid1.MasterTableView.GetItems(GridItemType.Item)) { RadGrid1.MasterTableView.GetColumn("orderno").Visible = false; RadGrid1.MasterTableView.GetColumn("orderdate").Visible = false; RadGrid1.MasterTableView.GetColumn("quotationno5").Visible = true; } }else if (OrderOption == "Order Generated") { foreach (GridDataItem item in RadGrid1.MasterTableView.GetItems(GridItemType.Item)) { RadGrid1.MasterTableView.GetColumn("orderno").Visible = true; RadGrid1.MasterTableView.GetColumn("orderdate").Visible = true; RadGrid1.MasterTableView.GetColumn("quotationno5").Visible = false; } }Thanks,
Mohamed.