private void metroButton4_Click(object sender, EventArgs e)
{
StudentsForm students = new StudentsForm();
// combobox holding the class names
students.ClassID = (int)metroComboBox1.SelectedValue;
students.ClassName = metroComboBox1.Text;
students.ShowDialog();
}
private void button2_Click(object sender, EventArgs e)
{
var ff = new StudentsForm(new Students {
Birthday = DateTime.Now
});
if (ff.ShowDialog(this) == DialogResult.OK)
{
listBox1.Items.Add(ff.Students);
}
}