AJAX中的Accordian控制

问题描述

我正在尝试向我的页面之一添加手风琴控件.
以下是代码:
< form id ="form1" runat ="server">
< asp: ScriptManager ID ="ScriptManager1" runat =服务器">

< cc1:Accordion ID ="Accordion1" runat ="server">
<窗格>
< cc1: AccordionPane ID ="AccordionPane1" runat ="server">




</form>

但我遇到此错误:发生.
集合已修改；枚举操作可能无法执行

在此错误上进行搜索，但似乎没有任何结果与我的问题有关.有人可以告诉我我做错了什么吗?

谢谢
Lonnie

I am trying to add an accordion control to one of my pages.
Following is the code:
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">

<cc1:Accordion ID="Accordion1" runat="server">
<panes>
<cc1:AccordionPane ID="AccordionPane1" runat="server">



</form>

but I am getting this error:
An unhandled exeception has occurred.
Collection was modified; enumeration operation may not execute

Searched on this error but no results seemed to pertain to my problem. Can someone tell me what I have done wrong?

Thanks
Lonnie

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