// GET: QuanLyProduct/Delete/5
        public ActionResult Delete(int id)
        {
            var sp = ProductBus.DetailProduct(id);

            if (sp == null)
            {
                HttpNotFound();
            }
            ViewBag.CategogyID     = new SelectList(ProductBus.GetListCategogy(), "ID", "CategogyName", sp.CategogyID);
            ViewBag.ManufacturerID = new SelectList(ProductBus.GetListManufacturer(), "ID", "ManufacturerName", sp);
            return(View(sp));
        }
        // GET: QuanLyProduct/Details/5
        public ActionResult Details(int id)
        {
            DetailProduct sp = ProductBus.DetailProduct(id);

            return(View(sp));
        }