Entities: Adding a Navigation Property between a View and Table

Question

As you can seen in the diagram below there is a one-to-many relationship between the ProjectTask and Dependency table.

Answer 1

By default, when you add a database view to your model, Entity Framework will assume every single column is part of the primary key. It does the same thing if you add a table without a primary key defined.

The solution is to manually edit the edmx file with an XML editor and define the primary key yourself. Find the tag for your view (), then there will be a element. Remove any non-key columns from that element.