有关Ajax问题
<P>小弟我刚刚学习Ajax技术，今天随便做了个界面，是用AjaxControlToolKit中的Accordion，是折叠的，但是当我点击Pane的头部时，就刷新了而且页面就一片空白。不知道是什么原因？请各位帮忙看看。<BR><BR>现贴代码如下：<BR><%@ Page Language="C#" AutoEventWireup="true" CodeFile="Accordion.aspx.cs" Inherits="Accordion" %><BR><%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="AjaxToolKit" %><BR><%@ Register Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"<BR> Namespace="System.Web.UI" TagPrefix="asp" %></P><P><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "<a href="http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" target="_blank" >http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd</A>"></P>
<P><html xmlns="<a href="http://www.w3.org/1999/xhtml" target="_blank" >http://www.w3.org/1999/xhtml</A>" ><BR><head runat="server"><BR> <title>Untitled Page</title><BR> <link rel="Stylesheet" type="text/css" href="style.css" /> <BR></head><BR><body><BR> <form id="form1" runat="server" method="post"><BR> <asp:ScriptManager ID="ScriptManager1" runat="server" /><BR> <div class="demoarea"><BR> <div class="demoheading">Accordion Demonstration</div><BR> <BR> <ajaxToolkit:Accordion ID="MyAccordion" runat="server" SelectedIndex="0"<BR> HeaderCssClass="accordionHeader" ContentCssClass="accordionContent"<BR> FadeTransitions="false" FramesPerSecond="40" TransitionDuration="250"<BR> AutoSize="None" RequireOpenedPane="false" SuppressHeaderPostbacks="true"><BR> <Panes><BR> <ajaxToolkit:AccordionPane ID="AccordionPane1" runat="server"><BR> <Header><a href="" class="accordionLink">1. Accordion</a></Header><BR> <Content><BR> The Accordion is a web control that allows you to provide multiple panes and display them one at a time.<BR> It is like having several <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl="" Text="CollapsiblePanels" /><BR> where only one can be expanded at a time. The Accordion is implemented as a web control that contains<BR> AccordionPane web controls. Each AccordionPane control has a template for its Header and its Content.<BR> We keep track of the selected pane so it stays visible across postbacks.<BR> </Content><BR> </ajaxToolkit:AccordionPane><BR> </Panes><BR> </ajaxToolkit:Accordion><BR> </div><BR> </form> <BR></body><BR></html><BR>请各位尽量帮忙！！！谢谢。<BR></P> ???<BR>
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