public ActionResult ThemSanPham(Product pro, HttpPostedFile img) { var path = ""; var filename = ""; if (ModelState.IsValid) { if (img != null) { filename = img.FileName; path = Path.Combine(Server.MapPath("~/Content/Images/Product/"), filename); img.SaveAs(path); pro.Image = filename; } QuanLy ql = new QuanLy(); ql.AddProduct(pro); return(RedirectToAction("Product")); } ViewBag.IDbrand = new SelectList(__db.Brands, "ID", "Name", pro.ID); ViewBag.IDType = new SelectList(__db.Types, "ID", "Name", pro.ID); return(View(pro)); }