Automapper : mapping issue with inheritance and abstract base class on collections with Entity Framework 4 Proxy Pocos

Question

I am having an issue using AutoMapper (which is an excellent technology) to map a business object to a DTO where I have inheritance off of an abstract base class within a co

Answer 1

I ran into the same issue with Entity Framework proxies, but didn't want to switch to a pre-release version of AutoMapper. I found a simple if slightly ugly work around for version 2.2.0. I was trying to go from a DTO to an existing EF proxy object, and was getting errors about missing a mapping for the ugly proxy class name. My solution was to use an overload the specified the actual concrete types that I'd manually mapped:

Mapper.Map(dtoSource, entityDest, typeof(DtoClass), typeof(ConcreteEntityClass));