private void toolStripButton1_Click(object sender, EventArgs e)
{
viewForm.StuManage stuM = new viewForm.StuManage();
stuM.ShowDialog();
}
private void StuListToolStripMenuItem_Click(object sender, EventArgs e)
{
viewForm.StuManage stuM = new viewForm.StuManage();
stuM.ShowDialog();
}