A simple question on the connection string format on sql server 2005!

Hi everyone!
I am new to visual studio 2005 and sql server 2005.
Up to now i was using visual studio 2003 and ms access.

When i wanted to create a web application that communicates withan access database, i just had to take the *.mdb file and put itinto a specific folder inside my application's folder and then useServer.MapPath on the connection string (so it can run on any pc).

Now, i want to do the same with sql server 2005 and visual studio 2005.I use the connection string: "Server=MYSERVER;InitialCatalog=test_db;Integrated Security=SSPI".

My problems are:
1) Can i just take the *.mdf file put it inside the App_Data folder like i did on access?
2) What should be the connection string so that my application can run on any pc (with sql server 2005)?

Thanx in advance guys!Right click the app_data folder in solution explorer, say add new item. Choose the SQL Database, give it a name, and click ok. Drop a sqldatasource on a form, and choose the correct connection string from the dropdown, and when it asks if you want to put the connection string in web.config, say yes.