aspx页面代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ENRepeater.aspx.cs" Inherits="ENRepeater" %>
<!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>无标题页</title>
<link href="Style/WsmStyle.css" rel="stylesheet" type="text/css" />
<script language="javascript" type="text/javascript">
function expandcollapse(obj)
{
var div = document.getElementById(obj);
var img = document.getElementById('img' + obj);
if (div.style.display == "none")
{
div.style.display = "block";
img.src = "Images/minus.gif";
}
else
{
div.style.display = "none";
img.src = "Images/plus.gif";
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div style="float:left">
<table width="300px">
<asp:repeater id="repeaterMain" Runat="server" OnItemDataBound="rep
