RE: Url Redirection

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Hi Nick,

As Marc has suggested, you can try using UrlEncode since that will make
sure the output characters are valid and safe one in http url string.
Generally if you have multiple querystring parameters, it should be
separated via "&" char.

BTW, why are you using querystring to store large data as querystring has
length limitation, is there any paritcular requirement here? You can
provide some further info about the application code logic or requirement
so that we can look for any other potential solutions.

Sincerely,

Steven Cheng

Microsoft MSDN Online Support Lead


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--------------------
From: "Nick" <a@xxxxx>
Subject: Url Redirection
Date: Fri, 25 Jul 2008 16:31:31 +0100


Hi there,

I'm passing an HTML encoded string to an URL in the query parameter.
This query string works perfect in the website if you are already logged
on,
if you are not logged on the application calls
FormsAuthentication.RedirectToLoginPage() then the URL becomes malformed.

I then recieve the following error,

"The return URL specified for request redirection is invalid."

for example

?inputfile=F:%5CFacebook%5CDocuments%5CDocuments%5CUser's%20Guide.doc

then becomes


?ReturnUrl=%2fDSP%2fsecure%2fdefault.aspx%3finputfile%3dF%3a%255CFacebook%25
5CDocuments%255CDocuments%255CUser's%2520Guide.doc&inputfile=F:%5CFacebook%5
CDocuments%5CDocuments%5CUser's%20Guide.doc

Which is rather screwed. Any ideas how how I can work around this?

Thanks a million for your time in advance.

Nick.




.

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