public ActionResult FinishOrder()
        {
            int OrderID = (int)HttpContext.Session.GetInt32("OrderID");

            //Complete the order by marking that isCartActive to false.

            _buisnessLogicClass.CompleteOrder(OrderID);

            //return to the customer List of orders fullfilled.
            return(RedirectToAction(nameof(ListCustomerOrders)));
        }