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 oledbCnn As OleDbConnection

        Dim oledbAdapter As OleDbDataAdapter

        Dim ds As New DataSet

        Dim sql As String

        Dim i As Integer



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

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



        oledbCnn = New OleDbConnection(connetionString)

        Try

            oledbCnn.Open()

            oledbAdapter = New OleDbDataAdapter(sql, oledbCnn)

            oledbAdapter.Fill(ds)

            For i = 0 To ds.Tables(0).Rows.Count - 1

                MsgBox(ds.Tables(0).Rows(i).Item(0) & "  --  " &  ds.Tables(0).Rows(i).Item(1))

            Next

            oledbAdapter.Dispose()

            oledbCnn.Close()

        Catch ex As Exception

            MsgBox("Can not open connection ! ")

        End Try

    End Sub

End Class