public IActionResult Rent() { var order = _orderService.Create(CheckOutViewModel.SelectedCustomer.Id); IList <Guid> articleIds = new List <Guid>(); foreach (var article in CheckOutViewModel.SelectedArticles) { articleIds.Add(article.Id); } if (!_orderLineService.Rent(order.Id, articleIds)) { CheckOutViewModel.Error = "Niet alle artikelen zijn uitgechecked"; } CheckOutViewModel.SelectedCustomer = null; CheckOutViewModel.SelectedArticles = new List <Article>(); return(RedirectToAction("CheckOut")); }