title: Manually refresh output cache in IIS7
body: <p>Problem description: 
  On our website we use standard asp cache with duration set to 5h.</p>
  
  <p>It works fine, but sometimes the publisher add some special content that need to be showed impatiently on many different sub-pages (example some promoted article).</p>
  
  <p>That's what I need to do it's easy to use page like this: </p>
  
  <p>mydomain.com/admin/clear-all-website-output-cache.aspx. </p>
  
  <p>I want to clear SERVER SIDE CACHE. </p>
  
  <p>Thanks for help. </p>
  
  <p>we use: IIS7, ASP.net 3.5 </p>