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);
}
