Get address of the page from which redirected to new page
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/3805438/get-previous-page-url-after-response-redirect">Get previous page URL after Response.Redirect</a>  </p>
</blockquote>



<p>Suppose in page 1.aspx, if error occurs, I'm using in catch() block:</p>

<pre><code>Response.Redirect("err.aspx");
</code></pre>

<p>In code behind of err.aspx, I need url of 1.aspx (or any page from which I'm redirecting to err.aspx page). How do I achieve this?</p>
