public static void Main() { try { OrderItem apple = new OrderItem(1, "apple", 10.0, 80); OrderItem egg = new OrderItem(2, "eggs", 1.2, 200); OrderItem milk = new OrderItem(3, "milk", 50, 10); Order order1 = new Order(1, "Customer1", new List <OrderItem> { apple, egg, milk }); Order order2 = new Order(2, "Customer2", new List <OrderItem> { egg, milk }); Order order3 = new Order(3, "Customer2", new List <OrderItem> { apple, milk }); OrderService os = new OrderService(); os.AddOrder(order1); os.AddOrder(order2); os.AddOrder(order3); os.Export(@"./orders.xml"); Console.WriteLine("GetAllOrders"); List <Order> orders = os.Orders; orders.ForEach(o => Console.WriteLine(o)); Console.WriteLine(""); os.Sort((o1, o2) => o1.TotalPrice.CompareTo(o2.TotalPrice)); Console.WriteLine("GetAllOrders After sort"); orders = os.Orders; orders.ForEach(o => Console.WriteLine(o)); Console.WriteLine(""); Console.WriteLine("GetOrdersByCustomerName:'Customer2'"); orders = os.QueryOrdersByCustomerName("Customer2"); orders.ForEach(o => Console.WriteLine(o)); Console.WriteLine(""); Console.WriteLine("GetOrdersByGoodsName:'apple'"); orders = os.QueryOrdersByGoodsName("apple"); orders.ForEach(o => Console.WriteLine(o)); Console.WriteLine(""); Console.WriteLine("Remove order(id=2) and qurey all"); os.RemoveOrder(2); orders.ForEach(o => Console.WriteLine(o)); Console.WriteLine(""); Console.WriteLine("Import from ./orders.xml"); OrderService os2 = new OrderService(); os2.Import("./orders.xml"); os2.Orders.ForEach(order => Console.WriteLine(order)); }catch (Exception e) { Console.WriteLine(e.Message); Console.WriteLine(e.StackTrace); } }
private void buttonQuery_Click(object sender, EventArgs e) { switch (comboBoxQuery.Text) { case "CustomerName": orderBindingSource.DataSource = orderService.QueryOrdersByCustomerName(textQuery.Text); break; case "GoodsName": orderBindingSource.DataSource = orderService.QueryOrdersByGoodsName(textQuery.Text); break; case "": orderBindingSource.DataSource = orderService.Orders; orderBindingSource.ResetBindings(false); break; } orderBindingSource.ResetBindings(true); }