private void btnUpdate_Click(object sender, EventArgs e)
{
Student st = StudentManageAction.QueryStudentInfo(tbStudentNo.Text);
InputStudentForm asf = new InputStudentForm(st);
asf.MdiParent = this.MdiParent;
asf.Show();
}
private void button2_Click(object sender, EventArgs e)
{
Student st = StudentManageAction.QueryStudentInfo(tbStudentNo.Text);
if (st == null)
{
return;
}
SelectCourseForm scf = new SelectCourseForm(st);
scf.MdiParent = this.MdiParent;
scf.Show();
}