How to use ADO to connect an Access database with a password __ database

New to do a small program, using the Access database, when the access password, with ADO how all the connection is unsuccessful, always prompt: Unable to start the application, workgroup information is lost, or to be opened exclusively by other users.

On the internet for a long time, originally in front of Passwod add: Jet oledb:database can be successfully connected

Connectionstring:= ' provider=microsoft.jet.oledb.4.0; Jet oledb:database password= ' 147852369 '; ' +
' User id= ' admin ';D ata source= ' +defpath+dbname+ '; Persist Security info=true ';