How do I change my asp.net membership database from express to standard sql?

Question

I am building an ASP.NET 3.5 (C#) application and I plan to use the membership and roles security.

I want to set this up on my SQL Server 2008 standard edition and n

Answer 1

1. Take the MDF and LDF files created by Express Edition (usually in App_Data) and Attach them to your SQL Server 2008 Instance.
2. Setup security for the new database (i.e. add a user to the database that will access the database. Make sure to give the appropriate permissions to the user)
3. Change the connection string in your web.config to point to the new database

Edit: My answer assumes that you're already using your database and just want to migrate it from SQL Express to SQL Standard edition.