title: how can my application  remember username and password after the user logs in?
body: <p>When the user check "remember me" i want to save the username and password.
  The user should be able to login directly the next time.
  What is the best way to do this?</p>
  
  <p>I tried isolated storage but maybe the code i wrote is incorrect.
  I hope someone can help me.</p>