private void backTitle_Click(object sender, EventArgs e)
 {
     RegistrationForm rf = new RegistrationForm();
     titleForm tf = new titleForm();
     this.Dispose(true);
     //    tf.ShowDialog();
     //    Application.Run(tf);
 }
 private void button1_Click(object sender, EventArgs e)
 {
     titleForm tf = new titleForm();
     this.Dispose(true);
        // tf.ShowDialog();
 }