How can I resolve these errors:
Tools Used: VS 2012, Entity Framework 5.0.0, T4MVCExtensions 3.5.0, .NET Framework 4.5
I've been using EF and T4 templates in a project within a large MVC solution without incident. Now, when I right-click on the edmx diagram, EF responds with the message: Value does not fall within the expected range. When I compile the EF project it responds with these messages:
Every table in the database has a primary key. I'm struck by how suddenly this issue appeared. Does anyone have some suggestions how to resolve this issue?
Thanks in advance,
Arnold
I had very similar issue and I tried with VS2012 and VS2013.
After reinstalling Entity Framework 6 Tools for Visual Studio 2012 http://www.microsoft.com/en-us/download/confirmation.aspx?id=40762 every thing went back to normal.
In VS 2012, the EF.Utility.CS.ttinclude file will only be installed if the Microsoft Web Developer Tools or Microsoft SQL Server Data Tools component is selected.
Reinstalling Entity Framework 6 Tools for Visual Studio 2012 http://www.microsoft.com/en-us/download/confirmation.aspx?id=40762 work for me
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