private void btnAdd_Click(object sender, EventArgs e)
{
//打开增加学员页面
AddStuForm addStu = new AddStuForm();
//在添加完学员信息之前(关闭添加页面之前)，不能操作原来的窗体：addStu.ShowDialog();
if (addStu.ShowDialog() == DialogResult.OK)
{
GetLastStudentTable();
}
}
/// <summary>
/// 修改学员信息
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void toolStripMenuItem1_Click(object sender, EventArgs e)
{
int selectedId = GetIdFromDGV();
if (selectedId == -1)
{
return;
}
//从此处调用，打开修改页面：
AddStuForm addStu = new AddStuForm(selectedId);
//若新打开的窗体，是用来操作的，就用ShowDialog()
if (addStu.ShowDialog() == DialogResult.OK)
{
GetLastStudentTable();
}
}
