title: Difference between Action() and RenderAction()?
body: <p>In asp.net mvc2, what's the difference between</p>
  
  <pre><code>Html.Action(...)
  </code></pre>
  
  <p>and</p>
  
  <pre><code>Html.RenderAction(...)
  </code></pre>
  
  <p>?</p>