expiry download links in c# and asp.net
<blockquote>
  <p><strong>Possible Duplicates:</strong><br>
  <a href="http://stackoverflow.com/questions/4323949/temporary-file-download-link-with-asp-net">Temporary file download link with ASP.NET</a><br>
  <a href="http://stackoverflow.com/questions/5703201/create-temporary-link-for-download">Create temporary link for download</a>  </p>
</blockquote>



<p>I use ASP.NET
I need to give user temporary link for downloading file from server.
It should be a temporary link (page), which is available for a short time (12 hours for example). How can I generate this link (or temporary web page with link)?</p>
