public ActionResult Create(Product product)
 {
     if (ModelState.IsValid)
     {
         storeDB.Products.Add(product);
         storeDB.SaveChanges();
         return Json(product.ProductID);
     }
     return View(product);
 }
 public ActionResult Edit(Product product)
 {
     if (ModelState.IsValid)
     {
         storeDB.Entry(product).State = EntityState.Modified;
         storeDB.SaveChanges();
         return RedirectToAction("Index");
     }
     else
     {
         return View(product);
     }
 }
 public ActionResult Save(Product product)
 {
     if (ModelState.IsValid)
     {
         storeDB.Entry(product).State = EntityState.Modified;
         storeDB.SaveChanges();
         return Json(product.ProductID);
     }
     return View(product);
 }