CollapsiblePanel控件,该控件可以显示或者隐藏某一指定的页面面板内的内容。
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="CollapsiblePanelDemo.aspx.cs"
Inherits="CollapsiblePanelDemo" %>

<%@ Register Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral,
PublicKeyToken=31bf3856ad364e35"
Namespace="System.Web.UI" TagPrefix="asp" %>

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>

<!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>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>

<asp:Panel ID="Panel2" runat="server" Height="30px">
<div style="padding:5px; cursor: pointer; vertical-align: middle;">
<div style="float: left;">折叠标题</div>
<div style="float: left; margin-left: 20px;"><asp:Label ID="Label1" runat="server">(展开...)</asp:Label></div>
<div style="float: right; vertical-align: middle;"><asp:Image ID="Image1"
runat="server" ImageUrl="~/images/expand.jpg"/></div>
</div>
</asp:Panel>
<asp:Panel ID="Panel1" runat="server" Height="0">
<br />
<p>
展开内容
</p>
</asp:Panel>
</div>
<cc1:CollapsiblePanelExtender ID="cpeDemo" runat="Server"
TargetControlID="Panel1"
ExpandControlID="Panel2"
CollapseControlID="Panel2"
Collapsed="True"
TextLabelID="Label1"
ExpandedText="(隐藏...)"
CollapsedText="(展开...)"
ImageControlID="Image1"
ExpandedImage="~/images/collapse.jpg"
CollapsedImage="~/images/expand.jpg"
SuppressPostBack="true" />
</form>
</body>
</html>
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="CollapsiblePanelDemo.aspx.cs" Inherits="CollapsiblePanelDemo" %>

<%@ Register Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
Namespace="System.Web.UI" TagPrefix="asp" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<!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>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>

<asp:Panel ID="Panel2" runat="server" Height="30px">
<div style="padding:5px; cursor: pointer; vertical-align: middle;">
<div style="float: left;">折叠标题</div>
<div style="float: left; margin-left: 20px;"><asp:Label ID="Label1" runat="server">(展开...)</asp:Label></div>
<div style="float: right; vertical-align: middle;"><asp:Image ID="Image1"runat="server" ImageUrl="~/images/expand.jpg"/></div>
</div>
</asp:Panel>
<asp:Panel ID="Panel1" runat="server" Height="0">
<br />
<p>
展开内容
</p>
</asp:Panel>
</div>
<cc1:CollapsiblePanelExtender ID="cpeDemo" runat="Server"
TargetControlID="Panel1"
ExpandControlID="Panel2"
CollapseControlID="Panel2"
Collapsed="True"
TextLabelID="Label1"
ExpandedText="(隐藏...)"
CollapsedText="(展开...)"
ImageControlID="Image1"
ExpandedImage="~/images/collapse.jpg"
CollapsedImage="~/images/expand.jpg"
SuppressPostBack="true" />
</form>
</body>
</html>
本文介绍如何使用 ASP.NET AJAX 控件库中的 CollapsiblePanel 实现页面内容的折叠与展开功能。通过示例展示了 CollapsiblePanel 的基本配置,包括如何设置目标面板、触发按钮、文本标签及图标等。

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