我刚开始学C#,有个简单新闻程序，想让新闻列表中当天的标题后面加一个new的小图标,该怎么实现呢?
我想过用日期做判断,如果是当天的新闻，就显示new,否则不显示。或者是用cookie判断,如果没有点击过，则显示new,如已经看过，则不显示.

    可是具体怎么写我实在不行,现在水平只能翻着书读代码,

    只好把代码贴上来，希望有好心的达人帮我改改,我好学习研究一下.


paper_xwsd.ascx文件------------------------------------------------

<%@   Control   Language= "C# "   AutoEventWireup= "true "   CodeFile= "paper_xwsd.ascx.cs "   Inherits= "paper_xwsd "   %>
<asp:GridView   ID= "paperviewtj "   runat= "server "   AutoGenerateColumns= "False "   ShowHeader= "False "
        Width= "388px "   BorderStyle= "None ">
        <Columns>
                <asp:TemplateField>
                        <ItemTemplate>
                                · <a   href= "papernews.aspx?paperid= <%#   DataBinder.Eval(Container.DataItem,   "PaperId ")%> "> <%#returncutstr(DataBinder.Eval(Container.DataItem,   "papertitle ").ToString())%> </a>
                        </ItemTemplate>
                        <ItemStyle   HorizontalAlign= "Left "   VerticalAlign= "Middle "   Width= "250px "   BorderStyle= "None "   />
                </asp:TemplateField>
        </Columns>
</asp:GridView>


paper_xwsd.ascx.cs内容------------------------------------------------

using   System;
using   System.Data;
using   System.Configuration;
using   System.Collections;
using   System.Web;
using   System.Web.Security;
using   System.Web.UI;
using   System.Web.UI.WebControls;
using   System.Web.UI.WebControls.WebParts;
using   System.Web.UI.HtmlControls;

public   partial   class   paper_xwsd   :   System.Web.UI.UserControl
{
        protected   string   returncutstr(string   papertitle)
        {

                if   (papertitle.Length   >   14)
                {
                      return   papertitle.Substring(0,14)   +   "... ";
                }
                else
                {   return   papertitle;   }
        }


        protected   void   Page_Load(object   sender,   EventArgs   e)
        {
                dbcom.Dbselect( "select   top   5   *   from   PaperNews   where   Smallclass= '60 '   and   onoff= 'ye