I think Trent was with the impression you had 8.1.1 already, which is the last DevEx release. If you have 7.3.5, change your references. If 8.1.1, just download the DLL he made available, I guess.

Hey, it looks like I'm reading Trent's mind... if only I could do some knowledge transfering too...

LOL...it looks like we were posting at the same time   Great minds think alike...and so do sleep deprived work-aholic minds