js中Repeater控件item选中问题

问个简单的问题：Repeater控件怎么用javascript实现他其中一个<li>click事件后改变Repeater控件所有 <li>的样式？有点遍历的味道，谢谢
document.getElementById("Repeater1").items.backgroundColor = "white";
这样不行似乎：（

解决方案 »

  1.   


    <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication1._Default" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" >
    <head runat="server">
        <title></title>
    </head>
    <body>
        <form id="form1" runat="server">
        <div>
            <ul>
                <li onclick="showBg(this)">
                asdfasdf
                </li>
                <li>
                asdfasdf
                </li>
                <li>
                asdfasdf
                </li>
                <li>
                asdfasdf
                </li>
            </ul>
        </div>
        </form>
    </body>
    <script type="text/javascript" language="javascript">
        function showBg(obj) {
            obj.parentNode.style.backgroundColor = "red";
        }
    </script>
    </html>