public DefaultForm()
{
InitializeComponent();
Product p1 = new Product("1", "10", "toy");
Product p2 = new Product("2", "20", "cooker");
Product p3 = new Product("3", "30", "e-card");
Order order1 = new Order("1");
Order order2 = new Order("8848");
Order order3 = new Order("233");
Order order4 = new Order("13");
order1.addProduct(p1);
order1.addProduct(p3);
order2.addProduct(p2);
order3.addProduct(p2);
order3.addProduct(p1);
order4.addProduct(p3);
service.addOrder(order1);
service.addOrder(order2);
service.addOrder(order3);
service.addOrder(order4);
orderservicebindingSource.DataSource = service;
}
