title: Get short date for System Nullable datetime (datetime ?) in C#
body: <p>How to get short date for Get short date for <code>System Nullable datetime (datetime ?)</code></p>
  
  <p>for ed <code>12/31/2013 12:00:00</code> --> only should return <code>12/31/2013</code>.</p>
  
  <p>I don't see the <code>ToShortDateString</code> available.</p>