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) + "}");
}