private void addStudentButton_Click(object sender, EventArgs e)
{
EditStudentForm edf = new EditStudentForm();
edf.ShowDialog();
edf.Dispose();
}
private void editStudentButton_Click(object sender, EventArgs e)
{
if (studentsListBox.SelectedIndex != -1)
{
EditStudentForm edf = new EditStudentForm(studentsListBox.SelectedItem.ToString());
edf.ShowDialog();
edf.Dispose();
}
}