title: adding context.Response.Headers.Add("Cache-Control", "no-cache"); says IIS integrated pipeline required?
body: <p>Not sure if this makes sense, but why did adding the code on my http handler (responds to a ajax request returning a json result):</p>
  
  <p>adding <code>context.Response.Headers.Add("Cache-Control", "no-cache");</code></p>
  
  <p>cause an error and say integrated pipeline mode has to be set?</p>