title: Removing image from UIImageView
body: <p>I load a <code>UIImageView</code> with an image depending on user interaction.  When the parent view is initially displayed, no image has been selected and the imageview is black.  If the user leaves that view and comes back, the image is still there.  I've tried</p>
  
  <pre><code>myImageView.image = nil;
  </code></pre>
  
  <p>upon leaving the view but the image remains.  How can I remove the image so the <code>UIImageView</code> appears black again?</p>
  
  <p>The </p>
  
  <blockquote>
    <p>UIImageView</p>
  </blockquote>
  
  <p>is connected through IB.</p>