public ActionResult Create([Bind(Include = "MaLop,TenLop,NienKhoa,MaKhoa,MaHDT")] Lop lop) { if (ModelState.IsValid) { contextLop.Create(lop); return(RedirectToAction("Index")); } ViewBag.MaKhoa = new SelectList(contextKhoa.GetAll(), "MaKhoa", "TenKhoa", lop.MaKhoa); ViewBag.MaHDT = new SelectList(contextHDT.GetAll(), "MaHDT", "TenHDT", lop.MaHDT); return(View(lop)); }