public ActionResult Create(Product product)
        {
            if (ModelState.IsValid)
            {
                productRepository.Add(product);
                productRepository.SaveChanges();
                return RedirectToAction("Index");
            }

            ViewBag.CategoryID = new SelectList(categoryRepository.Fetch(), "CategoryID", "CategoryName", product.CategoryID);
            ViewBag.SupplierID = new SelectList(supplierRepository.Fetch(), "SupplierID", "CompanyName", product.SupplierID);
            return View(product);
        }
 /// <summary>
 /// Deprecated Method for adding a new object to the Products EntitySet. Consider using the .Add method of the associated ObjectSet&lt;T&gt; property instead.
 /// </summary>
 public void AddToProducts(Product product)
 {
     base.AddObject("Products", product);
 }
 /// <summary>
 /// Create a new Product object.
 /// </summary>
 /// <param name="productID">Initial value of the ProductID property.</param>
 /// <param name="productName">Initial value of the ProductName property.</param>
 /// <param name="discontinued">Initial value of the Discontinued property.</param>
 public static Product CreateProduct(global::System.Int32 productID, global::System.String productName, global::System.Boolean discontinued)
 {
     Product product = new Product();
     product.ProductID = productID;
     product.ProductName = productName;
     product.Discontinued = discontinued;
     return product;
 }
 public ActionResult Edit(Product product)
 {
     if (ModelState.IsValid)
     {
         productRepository.Attach(product);
         //db.ObjectStateManager.ChangeObjectState(product, EntityState.Modified);
         productRepository.SaveChanges();
         return RedirectToAction("Index");
     }
     ViewBag.CategoryID = new SelectList(categoryRepository.Fetch(), "CategoryID", "CategoryName", product.CategoryID);
     ViewBag.SupplierID = new SelectList(supplierRepository.Fetch(), "SupplierID", "CompanyName", product.SupplierID);
     return View(product);
 }