public JsonResult LoadDeliverBillsPayersByTimespan(string startTime, string endTime) { string strErrText; DeliverSystem deliver = new DeliverSystem(); List<Customer> listPayer = deliver.LoadDeliverBillsPayersByTimespan(startTime, endTime, LoginAccountId, LoginStaffName, out strErrText); if (listPayer == null) { throw new Exception(strErrText); } var ret = from p in listPayer select new { Id = p.Id.ToString(), Name = p.Name, FullName = p.FullName }; return Json(ret, JsonRequestBehavior.AllowGet); }