The type 'Company.Model.User' and the type 'Company.Core.Model.User' both have the same simple name of 'User' and so cannot be used in the same model

This is a limitation of EF that I reported in 2012 https://entityframework.codeplex.com/workitem/483 that is still not implemented in 6.0.2. EF uses a flat internal architecture and does not recognize namespaces. Might be coming in EF7 but not before. For now the only solutions is to rename the two classes to unique class names irrespective of the namespace they are in. IMHO, this is an significant limitation within EF. Just consider a class named Category and how many different namespaces it could be used within across a domain.


First read Table type mappings

The hierarchical implementation model options need to be understood first. Then look at the IGNORE option. You may or may not need depending on chosen approach.
requires ignore ???

modelBuilder.Ignore<BaseXYZ>()

Ef is currently trying to include your base class to support an included Type that inherits from a NON abstract class.

Tags:

Entity Framework

Inheritance

Entity

Entity Framework 6

Ef Code First

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