Imports System.Data.OleDb 
... 
Dim oOleDbConnection As OleDbConnection 
Dim sConnString As String = _ 
    "Provider=Microsoft.Jet.OLEDB.4.0;" & _ 
    "Data Source=C:\myPath\myJet.mdb;" & _ 
    "User ID=Admin;" & _ 
    "Password=" 
oOleDbConnection = New OleDb.OleDbConnection(sConnString) 
oOleDbConnection.Open()