public List <UserOrderResult> User_order(long userId) { using (var gpEntities = new GPEntities()) { var res = gpEntities.user_order(userId).ToList(); return(res.Select(x => new UserOrderResult { OrderId = x.order_id, CreateDatetime = x.create_datetime, UserId = x.user_id, StockId = x.stock_id, Type = x.type, Price = x.price, Undealed = x.undealed, Dealed = x.dealed, Canceled = x.canceled }).ToList()); } }