title: Session expired before timeout
body: <p>I set sessiontimeout in web.config file like following.</p>
  
  <pre><code>&lt;sessionState timeout="120"
           cookieless="false"
            mode="InProc"
          /&gt;
  </code></pre>
  
  <p>Some times above code working fine.But many times session expired after 10 to 15 minutes automatically.</p>
  
  <p>and this errors exists in every browser.</p>
  
  <p>when i run same application using .net on my local computer it working fine.</p>
  
  <p><strong>Please note that, i haven't create global.ascx file yet.</strong></p>