public ActionResult UpdateCustomerDropDown(int customerID)
        {
            var vm = new EditCustomerViewModel(customerID);

            return(Json(new
            {
                vm.Customer,
                Cities = vm.GetCities(),
                Countries = vm.GetCountries()
            }));
        }
        public ActionResult UpdateCityAndCountryDDLs(int customerID, int cityID, int countryID, bool country)
        {
            var vm = new EditCustomerViewModel(customerID, countryID);

            return(Json(new
            {
                Cities = vm.GetCities(),
                Countries = vm.GetCountries(),
                CityID = country ? vm.Customer.CityID : cityID,
                vm.Customer.CountryID
            }));
        }