If Not Page.IsPostBack Then

            RecuperaDati()

        End If

    Sub RecuperaDati()

        TxtStato.Text = CType(PreviousPage.FindControl("DDLStato"), DropDownList).SelectedValue
        TxtNomeStato.Text = CType(PreviousPage.FindControl("DDLStato"), DropDownList).SelectedItem.Text

End Sub