public void getCityByProId(string proId)
        {
            if (string.IsNullOrEmpty(proId))
            {
                Response.Write("{\"success\":false,\"error\":\"参数错误!\"}");
            }
            List <CITY> lst = RegionDal.getCityByProId(proId);

            Response.Write("{\"success\":true,\"data\":" + JsonHelper.ObjectToJson(lst) + "}");
        }