title: How can i add extra attribute fields to the asp.net dropdown list
body: <p>Below I am able to set values and the text:</p>
  
  <pre><code>dropListUserImages.DataValueField = "Value";
  dropListUserImages.DataTextField = "Text";
  dropListUserImages.Items.Add(new ListItem { Text = srText, Value = srValue});
  </code></pre>
  
  <p>I also want to set extra attributes such as:</p>
  
  <pre><code>data-imagesrc
  data-description 
  </code></pre>
  
  <p>How can I do that?</p>