private void IDQueryButton_Click(object sender, EventArgs e) { if (InputIdQuery == 0) { orderBindingSource.DataSource = service.GetAllRecord(); } else { orderBindingSource.DataSource = service.SearchOrderById(InputIdQuery); } }
public Form1() { service = new OrderService(this); Order order1 = new Order(300001, "guest1"); Order order2 = new Order(300002, "guest2"); order1.AddItem("good1", 1, 1); order2.AddItem("good2", 1, 2); service.AddOrder(order1); service.AddOrder(order2); InitializeComponent(); orderBindingSource.DataSource = service.GetAllRecord(); IDQueryTextBox.DataBindings.Add("Text", this, "InputIdQuery"); NameQueryTextBox.DataBindings.Add("Text", this, "InputNameQuery"); }