public void getVillageByTownId(string townId)
{
if (string.IsNullOrEmpty(townId))
{
Response.Write("{\"success\":false,\"error\":\"参数错误！\"}");
}
List <VILLAGE> lst = RegionDal.getVillageByTownId(townId);
Response.Write("{\"success\":true,\"data\":" + JsonHelper.ObjectToJson(lst) + "}");
}