public JsonResult LoadCarrierSettlementExpression(string carrierId, string planType) { string strErrText; DDSystem dd = new DDSystem(); CarrierSettlementExpression data = dd.LoadCarrierSettlementExpression(long.Parse(carrierId), planType, LoginAccountId, LoginStaffName, out strErrText); if (data == null) { return Json(null, JsonRequestBehavior.AllowGet); } else { var ret = new { TransportChargeExpression = data.TransportChargeExpression, TransportPriceExpression = data.TransportPriceExpression }; return Json(ret, JsonRequestBehavior.AllowGet); } }