private void pictureBox9_Click(object sender, EventArgs e)
{
this.Hide();
RegistrationPageOne rPage = new RegistrationPageOne();
rPage.Show();
}
//Registration form click back button
private void BackButton_Click(object sender, EventArgs e)
{
RegistrationPageOne pageOne = new RegistrationPageOne(fname, lname, sid, age, pyear, present_address, permanent_address, father, mother, work);
pageOne.Show();
this.Hide();
}