/// <summary>
/// 学生ID不能为空
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void xueshengID_LostFocus(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(xueshengID.Text))
{
System.Windows.MessageBox.Show("学生ID不能为空！");
Cname.Focus();
}
}
/// <summary>
/// C#成绩验证
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Cname_LostFocus(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(Cname.Text))
{
System.Windows.MessageBox.Show("C#成绩不能为空！");
Cname.Focus();
}
}