Hello, Doug.
Server variable are web server-specific, and therefore using them makes your application less portable. For sure way to get the the list server variables available is to turn tracing on the page <% @Page
Trace=true... %>. Consider using HttpContext.User instead.
Please let us know if this information was helpful.
Best regards,
UltiDev Team.
Please donate at
http://www.ultidev.com/products/Donate.aspx to help us improve our products.