public async Task <VerityResult> ConfirmOrder(List <OrderViewModel> model) { VerityResult result = new VerityResult(); List <Order> modellist = new List <Order>(); foreach (var OrderItem in from item in model let FindItem = _orderService.FindBy(x => x.OrderId == item.OrderId) where FindItem.Any() let OrderItem = FindItem.FirstOrDefault() select OrderItem) { OrderItem.Status = 1; modellist.Add(OrderItem); } if (modellist.Any()) { _orderService.UpdateMultiple(modellist); } return(await Task.Run(() => result)); }