//
        // GET: /NorthwindSvr/Details/5

        public ActionResult DetailsProduct(int? id, AllProductsModel allProductsModel, SuppliersCategoriesModel model)
        {
            Product p = null;
            if (id != null) p = allProductsModel.ProductById(id.Value);
            else
            {
                p = allProductsModel.ProductById((int)TempData["id"]);
            }
            if (p.Supplier == null) p.Supplier = model.SupplierList.Where(s => s.SupplierID == p.SupplierID).DefaultIfEmpty(null).First();
            if (p.Category == null) p.Category = model.CategoryList.Where(c => c.CategoryID == p.CategoryID).DefaultIfEmpty(null).First();
            return View(p);
        }
        //
        // GET: /NorthwindSvr/Edit/5

        public ActionResult EditProduct(int id, AllProductsModel allProductsModel, SuppliersCategoriesModel suppliersCategoriesModel)
        {
            Product p = allProductsModel.ProductById(id);
            ViewBag.SuppliersCategoriesModel = suppliersCategoriesModel;
            return View(p);
        }