c#.net 动态读取 走马灯代码实例分享

<div>
    <table border="0" cellpadding="0" cellspacing="0">
        <tr>
            <td bgcolor="#cc66ff" 
                style="width: 990px; height: 5px; background-color: #ffffff; text-align: center;">
            </td>
        </tr>
        <tr>
            <td style="border-right: #cccc99 1px solid; border-top: #cccc99 1px solid; border-left: #cccc99 1px solid; width: 990px; border-bottom: #cccc99 1px solid">
                <table border="0" cellpadding="0" cellspacing="0">
                    <tr>
                        <td style="width: 990px; background-color: #ffffff">
                            <div style="width: 990px; height: 139px">
                                <div id="demo" 
                                    style="padding-right: 0px; padding-left: 0px; padding-bottom: 0px; overflow: hidden; width: 100%; color: #ffffff; padding-top: 0px">
                                    <table align="left" border="0" cellpadding="0" cellspace="0" cellspacing="0" 
                                        style="width: 900px; height: 139px">
                                        <tr>
                                            <td id="demo1" valign="top">
                                                <table border="0" cellpadding="0" cellspacing="0" width="2000">
                                                    <tr> <asp:label id="label1" runat="server" text="label"></asp:label>
                                                        </tr>

                                                </table>
                                            </td>
                                            <td id="demo2" valign="top">
                                            </td>
                                        </tr>
                                    </table>
                                </div>
<script __designer:dtid="3377854339350821">
var speed3=1//速度数值越大速度越慢
demo2.innerhtml=demo1.innerhtml
function marquee(){
if(demo2.offsetwidth-demo.scrollleft<=0)
demo.scrollleft-=demo1.offsetwidth
else{
demo.scrollleft++
}
}
var mymar=setinterval(marquee,speed3)
demo.onmouseover=function() {clearinterval(mymar)}
demo.onmouseout=function() {mymar=setinterval(marquee,speed3)}
</script>
                                </div>
                        </td>
                    </tr>
                </table>
            </td>
        </tr>
        <tr>
            <td style="width: 100px; height: 5px">
            </td>
        </tr>
    </table>
</div>

dal_collection dc = new dal_collection();
label1.text = dc.getindexzoumadeng();
 

dal_collection.getindexzoumadeng()的代码：

using system.text;

public string getindexzoumadeng()
    {

        stringbuilder res = new stringbuilder();
        datatable dt0 = getnewspagedb("select top 10  cn_id, cn_title,cn_intro,cn_url,cn_uid,cn_times from collection order by cn_times desc");
        if (dt0.rows.count == 0)
        {
            res.append("暂无相关数据！");
        }
        else
        {
            for (int i = 0; i < dt0.rows.count; i++)//参见【注释1】
            {
                res.append("<td align=\"center\" height=\"139\" width=\"184\"><img height=\"135\" src=\"" + dt0.rows[i][3].tostring().substring(2) + "\" width=\"180\" /></td>");

            }
            if (dt0.rows.count <= 6)
            {
                res.append(res.tostring());
            }
        }

        return res.tostring();
    }