Hvordan får man fat i ID på et objekt man trykker på?

Private Sub dataGrid1_MouseUp(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles DataGrid1.MouseUp
        Dim pt = New Point(e.X, e.Y)
        Dim hti As DataGrid.HitTestInfo = DataGrid1.HitTest(pt)
        If hti.Type = DataGrid.HitTestType.Cell Then
            DataGrid1.CurrentCell = New DataGridCell(hti.Row, hti.Column)
            DataGrid1.Select(hti.Row)
        End If
        Dim pt2 = New Point(e.X, e.Y)
        Dim hti2 As DataGrid.HitTestInfo = DataGrid1.HitTest(pt2)
        If hti.Type = DataGrid.HitTestType.Cell Then

            MsgBox("Øverste MsgBox" & DataGrid1(hti2.Row, 0).ToString())
        End If
    End Sub