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Editorial Team
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Asked: 2026-05-26T05:54:29+00:00

I’m writing a catch-all action method for a 404 page that takes the requested

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I’m writing a catch-all action method for a 404 page that takes the requested URL, extracts the wordy bits with a regex (\w+)* and sends those bits, space-separated, to the search engine to generate a list of suggested pages.

The problem is, ServerVariables["UNENCODED_URL"] appears to be unavailable here in the Action method. Other server variables are available, however.

I could use ServerVariables["URL"] in conjunction with ServerVariables["QUERY_STRING"], both of which are available. But in some situations this leaves out parts of the URL that might contain valid info regarding the user’s intention.

For example, if the mal-formed URL is

/test/007/words/something-with-a-dot.xyz/these-words-are-neglected/?stuff-in-querystring

Then the “URL” and “QUERY_STRING” are found as "/test/007/words/something-with-a-dot.xyz" and "stuff-in-querystring"

“URL” ignores rather bluntly everything after what looks like a file extension. So it doesn’t suffice.

So what’s up with UNENCODED_URL?
And how can I get its equivalent?

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1 Answer

  1. Editorial Team

    Have you tried the HTTP_URL variable? Looks like it returns the raw, encoded URL, for example, “/vdir/default.asp?querystring” – from MSDN.

    Source

    Also – if you are in a controller’s action method, you could(should?) use the HttpContext in place of the SERVER[someProperty]. Something like:

    var Url = HttpContext.Request.RawUrl;

    which returns the full URL of the current request.

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