private void button4_Click(object sender, EventArgs e)
 {
     try
     {
         password a = new password();
         a.ShowDialog();
     }catch(Exception e1)
     {
         MessageBox.Show(e1.ToString());
     }
 }
        private void linkLabel12_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            try
            {
                password a = new password(label133.Text);
                a.ShowDialog();

            }
            catch (Exception e1)
            {
                MessageBox.Show(e1.ToString());
            }
        }
 private void linkLabel16_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
 {
     password a = new password();
     a.ShowDialog();
 }