public JsonResult LoadCarByCarNo(string strCarNo) { string strErrText; DDSystem dd = new DDSystem(); CarrierCar data = dd.LoadCarByCarNo(strCarNo, LoginAccountId, LoginStaffName, out strErrText); if (data == null) { return(Json(null, JsonRequestBehavior.AllowGet)); } else { var ret = new { TrailerNo = data.TrailerNo, CarryingCapacity = data.CarryingCapacity }; return(Json(ret, JsonRequestBehavior.AllowGet)); } }