public ActionResult chi_tiet_dnh(string id)

        {
            don_nhap_hang dnh = db.don_nhap_hang.FirstOrDefault(m => m.id_hoa_don_nhap == id);

            return(View(dnh));
        }
 public ActionResult add_dnh([Bind(Include = "id_nsx,id_chu_kho,ngay_nhap_hang")] don_nhap_hang dnh)
 {
     dnh.ngay_nhap_hang = DateTime.Now;
     db.Database.ExecuteSqlCommand("insert_dnh @id_nsx,@id_chu_kho,@ngay_nhap_hang",
                                   new SqlParameter("@id_nsx", dnh.id_nsx),
                                   new SqlParameter("@id_chu_kho", dnh.id_chu_kho),
                                   new SqlParameter("@ngay_nhap_hang", dnh.ngay_nhap_hang)
                                   );
     return(RedirectToAction("danh_sach_don_nhap_hang"));
 }