请教这段代码如何修改

Question

加个时间判断，用当前时间减去发布时间小于3天的就加上图案。

Answer 1

        <asp:Repeater runat="server" ID="rpt1101">
            <ItemTemplate>
                <a href="NewsView.aspx?id=<%#Eval("Id")%>" target="_blank" class="t14">
                    <%#Tools.GetUnicodeSubString((Eval("Title")??string.Empty).ToString(),48,"...")%><%#(DateTime.Now - DateTime.Parse(Eval("Createtime","{0:yyyy-MM-dd}"))).Days<=3?"<img src='news.gif'/>":""%></a><span
                        class="hui">[<%#Eval("Createtime", "{0:MM-dd}")%>] </span>
                <br />
            </ItemTemplate>
        </asp:Repeater>