I really want to use this in one of my applications, but I cant get it to work.
I go through the example that uses the AdventureWorks database, and when I add the second column (State) , the Item fails when I try to create a new one in the list.
The ony error message is : An unexpected error has occured.
No entries in the log or the event viewer. I get this error also when I try to create a lookup based on other data sources as well.
Any clues on what I do wrong ?