public IActionResult OnPost(int WhiskeyId)
        {
            Order.CustomerName = User.FindFirst("fullname").Value;
            Order.Whiskey      = whiskeyData.Getall().FirstOrDefault(a => a.Id == WhiskeyId);
            Whiskey            = whiskeyData.GetById(WhiskeyId);

            NewSupply = Whiskey.Supply - Order.AmountBottles;
            whiskeyData.AddOrder(Order);
            whiskeyData.Update(Order.Whiskey, NewSupply);
            whiskeyData.Commit();
            TempData["Message"] = "Your order is placed!";

            return(RedirectToPage("./Index"));
        }