Specified argument was out of the range of valid values. Par

Question

 Protected Sub grdApoeni_SelectedIndexChanging(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewSelectEventArgs) Handles grdApoeni.SelectedIndexChanging

        Dim row As GridViewRow = grdApoeni.Rows(e.NewSelectedIndex)

        txtSmetka.Text = row.Cells(1).Text

        txtDijametar.Text = Format(Double.Parse(row.Cells(2).Text), "###,###,##0.00")

        txttezinaGram.Text = Format(Double.Parse(row.Cells(3).Text), "###,###,##0.00")

        txtCistota.Text = Format(Double.Parse(row.Cells(4).Text), "###,###,##0.0000")

        txtAlatDizajn.Text = Format(Double.Parse(row.Cells(5).Text), "###,###,##0.00")

        txtAmbalazaProspekt.Text = Format(Double.Parse(row.Cells(6).Text), "###,###,##0.00")

        txtIzrabotka.Text = Format(Double.Parse(row.Cells(7).Text), "###,###,##0.00")

        txtNBRMTrosoci.Text = Format(Double.Parse(row.Cells(8).Text), "###,###,##0.00")

        txtNumizmatika.Text = Format(Double.Parse(row.Cells(9).Text), "###,###,##0.00")

        ddlTip.SelectedValue = row.Cells(10).Text

        txtTirazU.Text = row.Cells(11).Text

        txtGodinaU.Text = row.Cells(12).Text

        MultiView1.SetActiveView(Promena)

    End Sub


I have a problem here in te row in txtxtirazU?!