/// <summary> /// Display combobox City /// </summary> /// <param name="wardID"></param> /// <returns></returns> public ActionResult PartialViewListCity(int?wardID) { List <City> lstCity; if (wardID == null) { lstCity = cityService.GetAll().ToList(); } else { Ward w = wardService.GetSingleById(wardID.GetValueOrDefault(-1)); District d = districtService.GetByID(w.DistrictID); lstCity = cityService.GetAll().ToList(); ViewBag.CityID = d.CityID; } return(PartialView(lstCity)); }