// Add an entry on the PO public ActionResult addOrderDetails(string SelectedOrder, int itemId, int orderQty) { int orderId = Int32.Parse(SelectedOrder); using (var db = new ADProjectDb()) { //Check if entry existed bool IsExisted = orderService.CheckIfODExist(db, orderId, itemId); if (IsExisted == true) { orderService.UpdateOrderDetail(db, orderId, itemId, orderQty); } else { orderService.AddOrderDetailtoOrder(db, orderId, itemId, orderQty); } } return(RedirectToAction("ViewPO", new { orderId = orderId, returnController = "Inventory", returnMethod = "showLowStock" })); }