private void button2_Click(object sender, EventArgs e)
{
stdntregister NewForm = new stdntregister();
NewForm.Show();
this.Dispose(false);
}
private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
var stdntregister = new stdntregister();
stdntregister.Closed += (s, args) => this.Close();
stdntregister.Show();
}