title: ASP.NET Request.Cookies["ASP.NET_SessionId"] vs SessionId
body: <ol>
  <li><p>What is the difference between:</p>
  
  <p>HttpContext.Current.Request.Cookies["ASP.NET_SessionId"].Value</p></li>
  </ol>
  
  <p>and</p>
  
  <pre><code>System.Web.SessionState.HttpSessionState.SessionId
  </code></pre>
  
  <p>(while debugging, both of the values were always the same)</p>