datalist EmptyItemStyle

Hello, I have a datalist as coded below. I know there is no emptyitemstyle for the datalist.

The datalist has the repoearcolumns set to 2. If there are three items returned from the database then I get a border around the forth... null item.

How can I remove the border around the null item?

<asp:DataList ID="gvViewImages" runat="server" Font-Names="Verdana" Font-Size="Small"
                                                    RepeatColumns="2" Width="100%" AlternatingItemStyle-BorderStyle="None" ItemStyle-BorderStyle="None"
                                                    BorderStyle="None" GridLines="None" EditItemStyle-BorderStyle="None"
                                                    SelectedItemStyle-BorderStyle="None" SeparatorStyle-BorderStyle="None">
                                                    <ItemTemplate>
                                                        <div style="page-break-inside: avoid; text-align: center">
                                                            <asp:Image runat="server" ID="imgViewSurveyImage" ImageUrl='<%#"~/survey-images/" & Eval("Photo")%>' />
                                                            <asp:Label runat="server" ID="lblViewImageId" Text='<%# Eval("Id")%>' Visible="false"></asp:Label>
                                                            <asp:Label runat="server" ID="lblViewImageSurveyDetailId" Text='<%# Eval("SurveyDetailId")%>' Visible="false"></asp:Label>
                                                        </div>
                                                    </ItemTemplate>
                                                </asp:DataList>

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