Imports System.Data.OleDb

Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        Dim connetionString As String

        Dim cnn As OleDbConnection

        Dim cmd As OleDbCommand

        Dim sql As String

        Dim reader As OleDbDataReader



        connetionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Your mdb filename;"

        sql = "Your SQL Statement Here like Select * from product"



        cnn = New OleDbConnection(connetionString)

        Try

            cnn.Open()

            cmd = New OleDbCommand(sql, cnn)

            reader = cmd.ExecuteReader()

            While reader.Read()

                MsgBox(reader.Item(0) & "  -  " & reader.Item(1) & "  -  " & reader.Item(2))

            End While

            reader.Close()

            cmd.Dispose()

            cnn.Close()

        Catch ex As Exception

            MsgBox("Can not open connection ! ")

        End Try

    End Sub

End Class