public List <Order> inquiryResultList; //用于查询模式下的修改订单 public Form1() { InitializeComponent(); InquiryChoose.Items.Add("按订单号查询"); InquiryChoose.Items.Add("按客户名查询"); InquiryChoose.Items.Add("按商品名查询"); orderList = OrderService.GetOrderList(); OrderDataSource.DataSource = orderList; inquiryState = false; quitInquiry.Enabled = false; }