title: Adding string to bound field
body: <p>trying to add a prefix before bound field</p>
  
  <pre><code>&lt;label&gt;&lt;input type="radio" name="rbGroup" value='r&lt;%#((Type)Container.DataItem).ID %&gt;'/&gt;&lt;%# ((Type)Container.DataItem).Action %&gt;&lt;/label&gt;
  </code></pre>
  
  <p>but it's putting r next to the button.  I want rID</p>