public JsonResult LoadCustomerReceivers(string customerName) { string strErrText; DDSystem dd = new DDSystem(); List <Receiver> listReceiver = dd.LoadCustomerReceivers(customerName, LoginAccountId, LoginStaffName, out strErrText); if (listReceiver == null) { throw new Exception(strErrText); } var ret = from r in listReceiver select r.Name; return(Json(ret, JsonRequestBehavior.AllowGet)); }