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 oledbCmd As OleDbCommand

        Dim sql As String



        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()

            oledbCmd = New OleDbCommand(sql, oledbCnn)

            Dim oledbReader As OleDbDataReader = oledbCmd.ExecuteReader()

            While oledbReader.Read

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

            End While

            oledbReader.Close()

            oledbCmd.Dispose()

            oledbCnn.Close()

        Catch ex As Exception

            MsgBox("Can not open connection ! ")

        End Try

    End Sub

End Class