Last Wednesday I managed to attend Management 3.0 Workshop in Warsaw, hosted by Jurgen Appelo. I really liked his latest book (same as previous two). After reading “Management 3.0 Workout” attendance in accompanying event got pretty high on my professional wish list. And it was really pleasant experience. If you are still wondering if this is for you and want some more details – read on.
Lots have been said about Entity Framework, in past mostly bad things. Lately I hear more and more voices speaking in advantage of this library. It is being said that it has reached maturity point and is actually usable now. Of course it was usable earlier, but it had its quirks. Unfortunately some are still there. I have recently found one that I couldn’t really believe is true. I had(also severe) problems with EF before, but this one is absolutely no-go for me. If exception message below reads familiar, then most probably you are experiencing it too.
Schema specified is not valid. Errors:
The mapping of CLR type to EDM type is ambiguous because multiple CLR types match the EDM type ‘<<entity name>>’. Previously found CLR type ‘<<namespace1.entity name>>’, newly found CLR type ‘<<namespace2.entity name>>’.