Public dbconn As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data" & _
  "Source=C:\telefonprotokoll.mdb")
		Public dbadapter As New OleDbDataAdapter
		Public dataset As New Data.DataSet
		Public dataview As Data.DataView
 
..........
 
Private Sub MainFormLoad(sender As System.Object, e As System.EventArgs)
dbconn.Open()
				dbadapter = New OleDbDataAdapter("select * from Kunden", dbconn)
				dataset = New Data.DataSet
				dbadapter.Fill(dataset, "Kundenname")
				dbconn.Close()
				cbofirma.DataSource = dataset.Tables("Kundenname")
End Sub