public IActionResult Change(int id, int pid) { var userID = Task.Run(async() => await userManager.FindByNameAsync(User.Identity.Name)).Result.Id; var rolecheck = (from role in context.UserRoles.ToList() where role.UserId == userID select role).FirstOrDefault(); if (rolecheck != null) { var orderDetails = (from od in orderDetailRepository.Gets().ToList() where od.OrderId == id select od).ToList(); foreach (var od in orderDetails) { if (od.OrderId == id && od.Paid == false) { od.OrderId = pid; } } var result = orderDetailRepository.Edits(orderDetails); if (result != null) { var orderFrom = (from o in orderRepository.Gets() where o.OrderId == id select o).FirstOrDefault(); orderFrom.Using = false; var orderTo = (from o in orderRepository.Gets() where o.OrderId == pid select o).FirstOrDefault(); orderTo.Using = true; var resultFrom = orderRepository.Edit(orderFrom); var resultTo = orderRepository.Edit(orderTo); if (resultTo != null && resultFrom != null) { var url = "https://localhost:44366/Home/Index/" + pid; return(Redirect(url)); } } return(View()); } return(RedirectToAction("AccessDenied", "Account")); }