public IActionResult Detail(string code)
        {
            ProductManagement pm      = new ProductManagement();
            ProductModel      product = pm.Get(code);

            return(View(product));
        }
        public ActionResult Modify(int id)
        {
            Product product = ProductManagement.Get(id);

            var artistList = new List <SelectListItem>();

            artistList.AddRange(ArtistManagement.GetAll()
                                .Select(a => new SelectListItem
            {
                Value = a.Id.ToString(),
                Text  = a.LastName
            }));;

            artistList.Where(x => x.Value == product.ArtistId.ToString()).First().Selected = true;

            ViewBag.ArtistList = artistList;

            return(View(product));
        }
        public ActionResult Details(int id)
        {
            Product product = ProductManagement.Get(id);

            return(View(product));
        }