private void ManageCustomer_Click(object sender, RoutedEventArgs e)
{
CustomerManage cm = new CustomerManage();
cm.ShowDialog();
LoadData();
}
//顾客信息管理
private void MenuCustomerInfo_Click(object sender, RoutedEventArgs e)
{
CustomerManage cm = new CustomerManage();
cm.Owner = this;
cm.ShowDialog();
}