public ActionResult ChuoiThuongHieu(int?city) { if (city == null) { return(RedirectToAction("Index", "Home")); } var chuoi = db.ChuoiThuongHieuSP(city); List <ThuongHieuChuoi> result = new List <ThuongHieuChuoi>(); foreach (var rs in chuoi.ToList()) { result.Add(rs); } return(PartialView("ChuoiThuongHieu", result.ToArray())); }