After performing a database attach method of upgrading our existing web application from MOSS 2007 to SharePoint Server 2010, all of our lists that migrated now exhibit an interesting but undesirable behavior. The DispForm.aspx and EditForm.aspx pages
that get loaded are given the Source parameter of the query string but instead of the URL being a single entry like:
It winds up putting the URL twice like this:
Naturally this makes processing of the form -- either by choosing OK or Cancel buttons -- result in an HTTP 404 error. The question we're left with is how in the world did the Source parameter get set that way to begin with. It wasn't
that way in 2007.
We had thought that perhaps there was something that didn't migrate over correctly for the existing lists, so I tried creating a new list and then added a new item to the list. So far so good. Then attempted to Edit Properties or Edit Item or
even View Item, etc. -- essentially triggering the load of the EditForm.aspx and DispForm.aspx -- and we received the 404 again.
At this point we're not sure what's going on or how to fix it. We've performed the migration three times so far with t
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