title: Reset the scrollviewer to its initial position with Silverlight
body: <p>I have a Silverlight application, containing a scrollviewer in a grid layout. </p>
  
  <p>When I move the scroller down and  close this grid with the close button, the scroller remains at the bottom whenever I reopen the grid. </p>
  
  <p>Is there a way I can reset the scroller to the top position?</p>