protected void imgBtnDelivered_Click(object sender, ImageClickEventArgs e) { imgBtnReadyToShip.ImageUrl = "~/App/Images/readytoship-tab-off.gif"; imgBtnDelivered.ImageUrl = "~/App/Images/Delivered-tab-on.gif"; imgBtnUpcomingOrders.ImageUrl = "~/App/Images/Upcoming-tab-off.gif"; var otherDal = new OtherDAL(); DataSet ds = otherDal.GetOrderDetail("", "", "", 0, Convert.ToInt32(ddlOrderStatus.Items.FindByText("Delivered").Value), Convert.ToInt32(ddlDeliveryMode.Items.FindByText("Select Delivery Mode").Value), 1); BindOrderList(ds); dgManageOrder.Columns[7].Visible = true; }