public static Order Load(Int32 orderId, bool useCache)
        {
            if (orderId == 0)
            {
                return(null);
            }
            Order  order = null;
            string key   = "Order_" + orderId.ToString();

            if (useCache)
            {
                order = ContextCache.GetObject(key) as Order;
                if (order != null)
                {
                    return(order);
                }
            }
            order = new Order();
            if (order.Load(orderId))
            {
                if (useCache)
                {
                    ContextCache.SetObject(key, order);
                }
                return(order);
            }
            return(null);
        }
        public static bool Delete(Int32 orderId)
        {
            Order order = new Order();

            if (order.Load(orderId))
            {
                return(order.Delete());
            }
            return(false);
        }