Often if you provision lists or libraries, your customer wants you to add a lookup column to another list, which may be in the same web. So you are starting with list definitions and do everything in the right way, but if you deploy your solution and create list instances from the source list and the list with the lookup, your lookup column is not connected to the source list. I don’t know why this happens, and i don’t care about the technical details why and why not. I’d rather share how to reconnect your defined lookup column to the source list.
Well, that’s what we want avoid:
What do we need? We need c# code, we put this into a feature event receiver or anything what will be used for it. (more…)