private static void DisplayOrders(IList <Orders> orders, PizzaRepository repo) { int orderDisplay = 1; while (orderDisplay == 1) { Console.WriteLine("| ID | User | Location | Date/Time | Total | Items |"); Console.WriteLine("-------------------------------------------------------"); foreach (var item in orders) { Console.WriteLine($"| {item.OId} | {item.OrderFor} | {item.OrderedFrom} | {item.OrderedAt} | {item.TotalPrice} | {item.NumOfOrderedItems} |"); } Console.WriteLine("-------------------------------------------------------"); Console.WriteLine(); Console.WriteLine("1) Display details of an order"); Console.WriteLine(); Console.WriteLine("2) Return to previous menu"); Console.WriteLine(); var input = Console.ReadLine(); switch (input) { case "1": Console.WriteLine(); Console.WriteLine("- - - - - - - - - - "); Console.WriteLine("Enter the ID of the order to display details"); Console.WriteLine(); input = Console.ReadLine(); int selectedId = -1; bool inputIsInt = Int32.TryParse(input, out selectedId); bool validId = false; foreach (var item in orders) { if (item.OId == selectedId) { validId = true; } } // Check that input is a number if (!inputIsInt) { Console.WriteLine("Please enter the ID of an order from the list"); } else if (!validId) { Console.WriteLine("Order could not be found"); } // Number is valid, get order else { var orderDetails = repo.GetOrderById(selectedId); Console.WriteLine(); Console.WriteLine("- - - - - - - - - - "); Console.WriteLine($"Showing details for Order {orderDetails.OId}:"); Console.WriteLine("| Order | Pizza | Price | Quantity |"); Console.WriteLine("-------------------------------------------------------"); foreach (var item in repo.ShowOrderDetails(orderDetails)) { Console.WriteLine($"| {item.OnOrder} | {item.PizzaNavigation.Name} | ${item.PizzaNavigation.Price} | {item.Quantity} |"); } Console.WriteLine("-------------------------------------------------------"); Console.WriteLine(); Console.WriteLine("[Press any key to return]"); Console.WriteLine(); Console.ReadLine(); } break; case "2": orderDisplay = 0; break; default: Console.WriteLine(); Console.WriteLine("Command not recognized"); Console.WriteLine(); break; } } }