Fueguino para tu informacion tambien se puede utulizar Server y Database en la conexion de las dos maneras funcionan
pudiendo ser
Dim Con as new SqlConnection("Server = (Local); DataBase = myBD; Uid = xxx; Pwd = 123;")
Dim Con as new SqlConnection("Server = (Local); DataBase = myBD; Trusted_Connection = True")
o
Dim Con as new SqlConnection("Data Source = (Local); Initial Catalog = myBD; Uid = xxx; Pwd = 123;")
Dim Con as new SqlConnection("Data Source = (Local); Initial Catalog = myBD; Integrated Security = SSPI;")
para mas informacion entra a esta web
http://www.connectionstrings.com/sql-server-2008