repeater 3 天内新闻 显示 new 图标

C# 代码：

Db newdb = new Db();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindData();
        }

    }

    public static string News_Pic(DateTime T)
    {
        if (T>= DateTime.Now)
        {
            return " <img src='images/new.gif'/>";
        }
        else
        {
            return "";
        }
    } 

    public void BindData()
    {
        string sql = "select top 30 * from NewsTable order by NewsID desc";

        DataSet ds = newdb.CommonDataSet(sql);

        this.Repeater1.DataSource = ds.Tables[0].DefaultView;
        this.Repeater1.DataBind();
    }

aspx 代码：

<table width="900" border="1" align="center">
       <asp:Repeater ID="Repeater1" runat="server">
             <ItemTemplate>
              <tr>
                <td width="20">
                &nbsp;
                <%#News_Pic(Convert.ToDateTime(Eval("NewsDate")).AddDays(3))%> 
                </td>
               
                 <td width="100">
                 <%#Eval("NewsID") %>
                </td>
                 <td width="400">
                 <%#Eval("NewsTitle") %>
                </td>
                 <td width="200">
                 <%#Eval("NewsDate") %>
                </td>
              </tr>
              </ItemTemplate>
        </asp:Repeater>
</table>