public JsonResult Get_Quan(int ID_ThanhPho)
{
var helperModel = new Get_SelectList();
var listQuan = helperModel.Get_Quan(ID_ThanhPho);
return Json(listQuan, JsonRequestBehavior.AllowGet);
}
// GET: Checkout
public ActionResult Index()
{
var model = new BillingInfo();
var helperModel = new Get_SelectList();
var listThanhPho = helperModel.Get_ThanhPho();
var listQuan = helperModel.Get_Quan();
ViewBag.City_ID = new SelectList(listThanhPho, "Id", "Name");
ViewBag.District_ID = new SelectList(listQuan, "Id", "Name");
return View(model);
}