<asp:ScriptManager ID="ScriptManager1" runat="server">
    </asp:ScriptManager>
     <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Always"> 
     <ContentTemplate>        
     <table style="width:100%;">
            <tr>
                <td class="style1Transparent" valign="top"> <%showTitle(); %></td>  
                <td>
                   <% showRss();%></td>
             </tr>    
     </table>
</ContentTemplate>
   </asp:UpdatePanel> 

public void showRss()
        {
            ArrayList channel=new ArrayList();  //记录频道的动态数组
            string strConnection = "server=localhost;database=rssdata;uid=sa;pwd=''";    //链接数据库的参数字符
            SqlConnection sqlcon = new SqlConnection(strConnection);    //建立连接
            sqlcon.Open();   //打开数据库
            //输出所有新闻
           // Response.Write("<asp:UpdatePanel ID='UpdatePanel1' runat='server'>");
           // Response.Write(" <ContentTemplate>");
            Response.Write("<DIV id='Rss_cnt'class='content'>");
            Response.Write("<span>");
            SqlCommand adsa = new SqlCommand("select * from rss_table", sqlcon);    //建立一个sqlcommand对象,要求输出相应的内容
            SqlDataReader rdr = adsa.ExecuteReader();
            while (rdr.Read())
            {
                Response.Write("<div class='back'>");
                if (rdr.GetValue(8).Equals(0))
                    Response.Write("<input class='unreadbtn' type='image' width='20px' hight='20px' title='标记为已读' src='pic/unread.png' runat='server' value='" + rdr.GetValue(2).ToString() + "' onclick='changeread(this)'  />&nbsp;");
                else
                    Response.Write("<input class='readbtn' type='image' width='20px' hight='20px' title='标记为未读' src='pic/read.png' runat='server' value='" + rdr.GetValue(2).ToString() + "' onclick='changeread(this)'  />&nbsp;");
                if (rdr.GetValue(7).Equals(0))
                    Response.Write("<input class='unlikebtn' type='image' width='20px' hight='20px' title='加入喜欢' src='pic/unlike.png' runat='server' value='"+rdr.GetValue(2).ToString()+"' onclick='changelike(this)'  />&nbsp;");
                else
                    Response.Write("<input class='likebtn' type='image' width='20px' hight='20px' title='取消喜欢' src='pic/like.png' runat='server' value='" + rdr.GetValue(2).ToString() + "' onclick='changelike(this)'  />&nbsp;");
                Response.Write("<a href='" + rdr.GetValue(3) + "' target='_blank'>" + rdr.GetValue(2) + "</a><br/>");   //输出到客户端
                Response.Write(rdr.GetValue(5) + "<br/>");
                Response.Write(rdr.GetValue(4) + "<br/>");
                Response.Write("</div><br/>");
            }
            Response.Write("</span>");
            rdr.Close();
       
            //输出最爱新闻
            Response.Write("<span>");
            adsa = new SqlCommand("select * from rss_table where likeornot=1", sqlcon);    //建立一个sqlcommand对象,要求输出相应的内容
            rdr = adsa.ExecuteReader();
            while (rdr.Read())
            {