public JsonResult Get_Product(string prefix) { DataSet ds = objbl.Bind_productdetail(prefix, "%"); foreach (DataRow dr in ds.Tables[0].Rows) { purchase.Add( new Purchase { productName1 = Convert.ToString(dr["ProductName"]), ProductID1 = Convert.ToString(dr["ProductID"]), }); } return(new JsonResult { Data = purchase, JsonRequestBehavior = JsonRequestBehavior.AllowGet, MaxJsonLength = 86753090 }); }