I updated latest dll to my gac but still getting error in my application that this method doesn't exists, for some reason I have to get it from Gac and dunno why its not updating it even I did IIS reset so many times
closed as not a real question by SPDoctor♦ Aug 22 '12 at 18:20
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In your project are you referencing to the right dll aswell as it will be calling that dll in GAC? can you check for duplicates in GAC of the same DLL but different version?