protected void Ok_ServerClick(object sender, EventArgs e) { string UserName = Session["User"].ToString(); int ID = Convert.ToInt32(HiddenFieldItem.Value); oDAL = new InvoiceDAL(); oClass = new InvoiceModel(); oDs = new DataSet(); oClass.IsDeleted = true; oClass.ReasonDelete = itemname.InnerText; string lbl = lblSelectedItem.Text; oClass.ID = ID; oDAL.DeleteData(UserName, oClass); PopulateGrid(); }