protected void LoadControl(DropDownList ddl, string ctrlIdentity) { objBLL = new MetisBLL(); switch (ctrlIdentity) { case "Department": DataTable dt = objBLL.getDeparments(); ddl.DataSource = dt; ddl.DataTextField = dt.Columns[1].ToString(); ddl.DataValueField = dt.Columns[0].ToString(); ddl.DataBind(); break; } }