Error with SQL Server database in Visual Studio after using LINQPad

Question

I have an SQL Server database which is being used for a MVC 4 project in VS 2010. I'm using LINQPad to run queries against my database. When I open LINQPad, I can connect to my .mdf database file and run queries as expected. When I close LINQPad, open up VS and try to view my database in server explorer the following error is shown:

I can drop the database and run the Seed() method via an Update-Database command from package manager as a workaround to the error, but it's a bit of a hassle to have to do it every time I connect to the database via LINQPad.

EDIT (for those who cannot see images):

The database 'C:..... .MDF' cannot be opened because it is version 706. This server supports version 655 and earlier. A downgrade path is not supported. Could not open new database 'C:..... .MDF'. CREATE DATABASE is aborted. An attempt to attach an auto-named database file for 'C:..... .MDF' failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.

Is this a common error? Anyone have any solutions?

Answer 1

Based on the error message you are using a visual studio 2010 db project to access SQL server 2012.

Here is the MSDN workaround

http://connect.microsoft.com/SQLServer/feedback/details/731860/unable-to-create-a-sql-server-2012-projects-in-visual-studio-2010

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It seems like linqPad might be doing something to "upgrade"? A different version of linqPad might also help.

Answer 2

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Thanks