ssmse

ASP.NET app wont share database with Sql Server Management Studio Express

I have an ASP.NET 3.5 app with a SQL 2005 Express .mdf database file in its App_Data folder. Lets call that Foo.mdf. On its own the ASP.NET app can connect to the database with no problems. So far so good. Then, if I install Sql Server Management Studio Express on the server and start it, it finds the local SQLEXPRESS instance and conne...