Untitled

How to get the auto increment primary key in old mdb database?
Dim db As Database          'Test Database
Dim rs As Recordset         'Test Table
...
rs.AddNew
id = rs!id

Using oConn As New OleDbConnection(m_ConnString)
        oConn.Open()
        Using cmd As New OleDbCommand(sqlInsert, oConn)
            cmd.ExecuteNonQuery()
        End Using
    End Using