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HomeHomeArchived Discus...Archived Discus...Developing Under Previous Versions of .NETDeveloping Under Previous Versions of .NETASP.Net 2.0ASP.Net 2.0NavigateURL FriendlyURLs UrlEncore 4.7 breaking change?NavigateURL FriendlyURLs UrlEncore 4.7 breaking change?
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11/17/2007 1:13 AM
 
James Jegers

www.Jegers.com
Joined: 4/6/2006
Posts: 217

I am looking into the NavigateURL method and am wondering if a resent change to DNN 4.7 is causes a breaking change.  In particular the file  FriendlyURLProvider.vb was changed near the bottom from:

pathToAppend = pathToAppend & "/" & System.Web.HttpUtility.UrlEncode((Chr(32)).ToString())                   to:
pathToAppend = pathToAppend & "/" & System.Web.HttpUtility.UrlPathEncode((Chr(32)).ToString())

The difference being the UrlEncode() replaced with UrlPathEncode()

This code is used when a parameter on the query string is blank.  The old UrlEncode turned the blank querystring parameter to a "+", while the new UrlPathEncode translates it to a "%20".  So in the URL it appears as  http://stuffstuffstuff/param1/%20/param2/abc/default.aspx  It appears that with a "%20" in the querystring (between to /'s) the request never even makes it into the DNN rewriter module and the user gets a page not found error.

My solution to this is to make sure that everything I put on a querystring is non-blank (at least a " "), but just wondering why this changed?
 
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11/17/2007 10:46 PM
 
Wes Tatters


Wes Tatters's Avatar

Joined: 4/30/2004
Posts: 2155

Hey james,

Interesting catch in the core code - I wonder how many modules this will break.

Technically URLPathEncode is doing the correct thing - and URLEncode is doing the wrong thing.
In reality the + sign is actually a valid path value.

This is actually a reasonably old and documented issue in URLEncode - but sadly one that MS have
never fixed because doing so would break too many sites.

As to how to deal with it...

Thats a more difficult issue for the CORE team.

Westa
 
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HomeHomeArchived Discus...Archived Discus...Developing Under Previous Versions of .NETDeveloping Under Previous Versions of .NETASP.Net 2.0ASP.Net 2.0NavigateURL FriendlyURLs UrlEncore 4.7 breaking change?NavigateURL FriendlyURLs UrlEncore 4.7 breaking change?


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