private void Search_Copy_Click(object sender, RoutedEventArgs e) { get_shelfEmployeeID = shelfEmployeeID.Text; try { m_shelfEmployeeID = int.Parse(get_shelfEmployeeID); } catch { MessageBox.Show("请输入整数型 员工ID"); return; } // 使用了 新的接口 IShelfDao 的 getShelfByEmployee DataSet set = shelfDao.getShelfByEmployee(m_shelfEmployeeID); dataGrid.ItemsSource = set.Tables[0].DefaultView; }