public ActionResult Create(Product product)
        {
            //Obavezno!!!!!!  CONNECTION STRING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
            using (var db = new ProductContext())
            {

            ViewBag.maxy = product.name + " " + product.cijena + " " + User.Identity.Name;

                product.user = User.Identity.GetUserId();

                db.Products.Add(product);

                db.SaveChanges();

                return View();
            }
        }
 // GET: Product/Details
 public ActionResult Details()
 {
     Product product = new Product() {id = 5, cijena = "45", name = "Hobotnica"};
     return View(product);
 }