刚从ASP转.NET,请教下循环的问题

在网站首页放了一个JS的图片播放效果,5张图片+标题播放
想从数据库中循环出数据

以下是焦点图的代码:
.NET用的还不熟,请教下高手,这样的循环要如何编写,现在写法上的概念还很模糊.

<div id="Switch_1"> <a  href="" target="_blank" blockid="1121"> <img src="images/01.jpg" alt="" onmouseover="pauseSwitch();"  onmouseout="goonSwitch();"/> </a> </div>
<div id="Switch_2" style="display:none;"> <a  href="" target="_blank" blockid="1121"> <img src="images/02.jpg" alt="" onmouseover="pauseSwitch();"  onmouseout="goonSwitch();"/> </a> </div>
<div id="Switch_3" style="display:none;"> <a  href="" target="_blank" blockid="1121"> <img src="images/03.jpg" alt="" onmouseover="pauseSwitch();"  onmouseout="goonSwitch();"/> </a> </div>
<div id="Switch_4" style="display:none;"> <a  href="" target="_blank" blockid="1121"> <img src="images/04.jpg" alt="" onmouseover="pauseSwitch();"  onmouseout="goonSwitch();"/> </a> </div>
<div id=