Had a problem today working on a new phase of one of our existing sites (a problem which I’m sure I came up against on another site and fixed a few years ago…) – we just added server rewrite with a whole new URL structure like so;
www.site.com/ group name/ series name/ book.htm
This allows the user to chop off a folder and get back to the relevant listing page- pretty standard stuff now days. So this introduces a bunch of virtual folders. All the sites resources were set to use absolute paths and everything was loading in and rendering fine, but the page crashed every time I click the “Add to cart” button– bit of a show stopper.
This was because dot net isn’t aware of the rewrite- so while they hit the site on a url like;
childrens-books/beast-quest/book1.htm
asp.net thought the page was at
book-details.aspx?id=9780123456789&catId=1&seriesId=2
so did a post back to that page, relative to the current folder, giving me;
childrens-books/beast-quest/book-details.aspx?id=9780123456789&catId=1&seriesId=2
trying to reference the physical file (which existed at the root level) from the context of a folder which doesn’t really exist. The fix is easy (once you find it!) – for this site the main asp.net form tag was in the masterpage so I just added the following to the Page_Load of my master page;
form1.Action = Request.RawUrl;
Thanks to Ruslan Yakushev’s post on IIS.net
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