asp.net c#动态读取 走马灯代码

前台html及js脚本：

[html] 
<p> 
    <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"> 
                            <p style="width: 990px; height: 139px"> 
                                <p 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> <:label id="label1" runat="server" text="label"></asp:label> 
                                                        </tr> 
                                                    
                                                </table> 
                                            </td> 
                                            <td id="demo2" valign="top"> 
                                            </td> 
                                        </tr> 
                                    </table> 
                                </p> 
<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.onmouver=function() {clearinterval(mymar)} 
demo.onmouseout=function() {mymar=setinterval(marquee,speed3)} 
</script> 
                                </p> 
                        </td> 
                    </tr> 
                </table> 
            </td> 
        </tr> 
        <tr> 
            <td style="width: 100px; height: 5px"> 
            </td> 
        </tr> 
    </table> 
</p> 

 cs页的代码：

[csharp] 
dal_collection dc = new dal_collection(); 
label1.text = dc.getindexzoumadeng(); 
 

dal_collection.getindexzoumadeng()的代码：

[csharp] 
<p>using system.text;</p> 
[csharp] view plaincopy
  
[csharp] view plaincopy
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(); 
    }