public ActionResult PostCheckOut(FormCollection fc)
        {
            var cart = new Cart(HttpContext);
            var order = new Order();

            if (ModelState.IsValid && TryUpdateModel(order))
            {
                order.DateCreated = DateTime.Now;
                order.AccountName = HttpContext.User.Identity.Name;

                db.Orders.Add(order);
                db.SaveChanges();
                cart.FillOrderItems(order);

                return RedirectToAction("Index", "Store");
            }
            else
            {
                return RedirectToAction("CheckOut");
            }
        }