VB 2010 Express Ed Sql error

hi guys, trying to get my hands wet on vs 2010 and i downloaded samples from ms site but when i tried to run some of the DB samples i received this sql error:

A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)

any ideas how to get around on this? Thanks.

Have you installed SQL Server Express? You can't connect to it if you haven't installed it.

What is the connection string that you used?

Quote:

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Originally Posted by jmcilhinney

Have you installed SQL Server Express? You can't connect to it if you haven't installed it.

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Yes, it's installed.

Quote:

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Originally Posted by GaryMazzone

What is the connection string that you used?

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Protected Const SqlConnectionString As String = _
"Server=(local);" & _
"DataBase=;" & _
"Integrated Security=SSPI"

Please help.. Thanks :)

You are trying to connect to a default instance. Did you install SQL Server Express as a default instance? Unless you changed that setting specifically, SQL Server Express would have installed as a named instance with the name "SQLExpress".

http://www.connectionstrings.com/sql-server-2005