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Can't connect to SQL Express 2008 from Visual Studio, but can connect from SQL Server Management St

Posted By:      Posted Date: April 10, 2011    Points: 0   Category :
 

 

I've been struggling with the following issue for 3 days:  I can access and use my SQL Express 2008R2 database flawlessly from SQL Server Management Studio.  But I can only intermittently access it from Visual Studio (ultimate edition with TF Server).  Sometimes it works, sometimes it doesn't.  I mostly see the error when I try to "Update Model from Database" within my Entity framework model, or when I try to access the database from within Server Explorer.

 

Here is the error I see when I try to update my Entities form the Database: An error occurred while connecting to the database.  The database might be unavailable.  An exception of type 'System.Data.SqlClient.SqlException' occurred.  The error message is: 'Cannot open user default database. Login failed.  Login failed for user 'Tim-PC\Tim'.'

 

I think the connection string is fine as I am able to connect


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