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HomeHomeArchived Discus...Archived Discus...Developing Under Previous Versions of .NETDeveloping Under Previous Versions of .NETASP.Net 2.0ASP.Net 2.0Friendly URLs - Not so friendlyFriendly URLs - Not so friendly
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8/30/2008 1:33 PM
 
Seth Ian Paul

Joined: 8/16/2008
Posts: 6

I am creating a module which has a charting control imbeded within it.  The charting control is from ComponentArt.  This control renders a chart as an image and writes it to disk, sending back a URL to the browser.  The controls has a property for the output directory which works fine, I can place the image anywhere on my server I want.  The problem I have is that DNN, through Friendly URL rewriting, inserts it's /Profile/tabid/54 information in the URL causing issues with the browser finding the image on the server.  Here are some examples:

Control output directory: Charts
File Located on web server: /DesktopModules/Portfolio/Charts/
URL sent to browser: /Profile/tabid/54/PID/7/Charts

Control output directory: ../../Charts
File Located on web server: /Charts/
URL sent to browser: /Profile/tabid/54/Charts

Control output directory: ../../Portals/0/Charts
File Located on web server: /Portals/0/Charts/
URL sent to browser: /Profile/tabid/54/Portals/0/Charts

I would have thought this last attempt would correct the issue.  I read the document about Frieldly URLs and how DNN rewrites the URL once it comes in, replacing the /Profile/tabid/54 with url parameters, leaving just the /Portals/0/Charts.  If I modify the URL myself in the browser I can load the image just fine.

Am I going about this the wrong way? Do I need to write my own entry in SiteURLs for the Friendly URL rewriting?  Does URL rewriting only apply to outbound URLs? Is there a way from within my module to tell DNN not to rewrite the URL or possibly set an alternate root so the /Profile/tabid/54 is not written?

Please help, if you have an answer GREAT!  If not but you have an idea, please just point me in the right direction.  Thank you very much for reading this post!

Seth
 
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8/30/2008 2:25 PM
 
Seth Ian Paul

Joined: 8/16/2008
Posts: 6

Update -

I tried creating a SiteUrls.config entry:
.*Charts(.*)  <LookFor>
~/Charts$1 <SendTo>
This does not work, I believe because the URL has already been passed to DNN, which does not serve up the image file. That is done by IIS and by the time the FriedlyURL code is called IIS missed it's chance to simply send the image back to the client.

I turned off FriendlyURLs in host/config and everything works great, however I still need to get this working with FriendlyURLs turned on as I want this site indexed by search engines.

Also, I took another look at the FriendlyURL documentation and saw there is a way for me to implement my own URL rewriter for responses (as opposed to incomming rewritting done in the SiteUrl.config file), however I'm thinking there must be an easier way to get this working as it must be a somewhat common issue.

Thanks again, Seth
 
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