//删除检测结果 private void MenuItem_Click(object sender, RoutedEventArgs e) { Student student = StdDataGrid.SelectedItem as Student; StudentCheckData checkData = dbUtill.GetStudentCheckInfo(Uid, student.studentId); if (checkData.jsonContent != null) { if (System.Windows.MessageBox.Show("是否删除检测记录?", "提示", MessageBoxButton.OKCancel) == MessageBoxResult.OK) { int i = dbUtill.DeleteCheckData(Uid, student.studentId); if (i > 0) { gradepanel.Children.Clear(); TestActivityInit(ActivityName, ActivityId); System.Windows.MessageBox.Show("删除成功", "提示"); } else { System.Windows.MessageBox.Show("删除失败", "提示"); } } } else { System.Windows.MessageBox.Show("该学生不存在检测结果", "提示"); } }