private void GetAllCities1(string regId)
        {
            if (regId == null)
                regId = "31a173d8-4bba-df11-9a64-7071bc4b6942";

            LocationAction objLocation = new LocationAction();
            IEnumerable<SelectListItem> lstCityItem = objLocation.GetAllCitiesForRegion(regId).Select(c => new SelectListItem { Value = c.id.ToString(), Text = c.name });
            ViewData["CityListItem"] = lstCityItem;
        }
        public ActionResult Models1(string id)
        {
            string regId = id;

            LocationAction objLocation = new LocationAction();
            IEnumerable<SelectListItem> lstCityItem = objLocation.GetAllCitiesForRegion(regId).Select(c => new SelectListItem { Value = c.id.ToString(), Text = c.name });
            return Json(lstCityItem.ToList(), JsonRequestBehavior.AllowGet);
        }