title: ASP.NET Application DLL Publishing Error Message
body: <p>I publish my ASP.NET application DLL manually via FTP. I'd love to be able to show the users a friendly error message while the DLL is being uploaded. I've tried the app_offline.htm thing (with the over 512 length). It works fine when my application's DLL is fine. But as soon as I delete the DLL or start copying over the DLL, then I get errors like </p>
  
  <pre><code>Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. 
  
  Parser Error Message: Could not load type 'WebManagerSuite.Global_asax'.
  </code></pre>
  
  <p>Is there any way to have the friendly error message stay available while the main application DLL gets replaced?</p>