public ActionResult FilterFromTown(string townId) { var result = string.Empty; if (string.IsNullOrEmpty(townId)) { result = "-1,-1,-1"; } else { var townModel = new TownModel(); var townItem = townModel.GetSpecificTown(int.Parse(townId)); result = townItem.Local_Municipality.District.Province_Id + "," + townItem.Local_Municipality.District_Municipality_Id + "," + townItem.Local_Municipality_Id; } return(Json(result, JsonRequestBehavior.AllowGet)); }