public ActionResult PurchaseDetail(string Order_id)
        {
            BuyerOrderItemsClient BOIC = new BuyerOrderItemsClient();

            ViewBag.DetailList = BOIC.find(Order_id);
            return(View());
        }
        public ActionResult OrderTracking(string order_id)
        {
            //order_id = "9kMqhoZzEw2";
            BuyerOrderItemsClient BOIC = new BuyerOrderItemsClient();
            var DetailList             = BOIC.find(order_id);

            ViewBag.DetailList = DetailList;
            List <Order_Tracking> tracking = db.Order_Tracking.Where(t => t.Order_ID == order_id).ToList <Order_Tracking>();

            ViewBag.length = tracking.Count();
            var tracking_list = tracking.Reverse <Order_Tracking>();

            ViewBag.Tracking = tracking_list.ToList <Order_Tracking>();

            return(View());
        }