private void BtnFind_Click(object sender, EventArgs e)
{
switch (cmbAccordItem.SelectedIndex)
{
case 0: //所有订单
bindingSourceOrder.DataSource = OrderService.GetAllOrders();
break;
case 1: //根据ID查询
List <Order> orderList1 = orderService.FindOrder(Int32.Parse(txtAccordDtail.Text));
bindingSourceOrder.DataSource = orderList1;
break;
case 2: //根据顾客名查询
IEnumerable <Order> orderList2 = orderService.FindOrder(false, txtAccordDtail.Text);
bindingSourceOrder.DataSource = orderList2;
break;
case 3: //根据商品物查询
IEnumerable <Order> orderList3 = orderService.FindOrder(true, txtAccordDtail.Text);
bindingSourceOrder.DataSource = orderList3;
break;
}
bindingSourceOrder.ResetBindings(true);
}
public Form1()
{
InitializeComponent();
orderService = new OrderService();
OrderItem item1 = new OrderItem(1, "apple", 5.2, 1);
OrderItem item2 = new OrderItem(2, "orange", 3.3, 2);
OrderItem item3 = new OrderItem(3, "potato", 4.5, 3);
OrderItem item4 = new OrderItem(4, "banana", 2.1, 4);
OrderItem item5 = new OrderItem(5, "tomato", 3.2, 5);
List <OrderItem> itemList1 = new List <OrderItem>();
itemList1.Add(item1);
itemList1.Add(item3);
itemList1.Add(item5);
List <OrderItem> itemList2 = new List <OrderItem>();
itemList2.Add(item2);
itemList2.Add(item3);
itemList2.Add(item4);
Order order1 = new Order(2001, "wuhan", "ZhangSan", itemList1);
Order order2 = new Order(2002, "beijing", "LiSi", itemList2);
orderService.AddOrder(order1);
orderService.AddOrder(order2);
bindingSourceOrder.DataSource = OrderService.GetAllOrders();
cmbAccordItem.SelectedIndex = 0;
}
private void QueryAll()
{
bindingSourceOrder.DataSource = OrderService.GetAllOrders();
bindingSourceOrder.ResetBindings(false);
}
