1.新建一个web form,代码如下，注意黄色部分
2.浏览效果
3.贴一个微软提供的示例：
Microsoft sample code
<%
@ Page Language="C#" %>
<%@ Import Namespace="System.Globalization" %>
<%@ Import Namespace="System.Collections.Generic" %>
<!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 id="Head1" runat="server">
<title>Microsoft ASP.NET 3.5 Extensions</title>
<link href="http://www.cnblogs.com/include/qsstyle.css" type="text/css" rel="Stylesheet" />
<script type="text/javascript">
function page_init() {
Sys.Application.add_navigate(onStateChanged);
var cb1 = $get('clientButton1');
var cb2 = $get('clientButton2');
var cb3 = $get('clientButton3');
$addHandler(cb1, "click", clientClick);
cb1.dispose = function() { $clearHandlers(cb1); }
$addHandler(cb2, "click", clientClick);
cb2.dispose = function() { $clearHandlers(cb2); }
$addHandler(cb3, "click", clientClick);
cb3.dispose = function() { $clearHandlers(cb3); }
}
function onStateChanged(sender, e) {
// When the page is navigated, this event is raised.
var val = parseInt(e.get_state().s || '0');
Sys.Debug.trace("Navigated to state " + val);
$get("div2").innerHTML = val;
}
function clientClick(e) {
// Set a history point in client script.
var val = parseInt(e.target.value);
Sys.Application.addHistoryPoint({s: val}, "Click Button:" + val);
Sys.Debug.trace("History point added: " + val);
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager runat="server" ID="ScriptManager1" EnablePartialRendering="false" EnableHistory="true" />
<script type="text/javascript">
Sys.Application.add_init(page_init);
</script>
<h2>
Microsoft ASP.NET 3.5 Extensions: Managing Browser History with Client Script</h2>
<p />
<div id="Div1" class="new">
<p>
This sample shows:</p>
<ol>
<li>The <code>Sys.Application</code> object and the <code>navigate</code> event and <code>addHistoryPoint</code> method.</li>
<li>The <code>addHistoryPoint</code> method demonstrates addition of titles.</li>
</ol>
</div>
<p>
</p>
<h2>Example 1: Managing browser history in client script</h2>
<p>This example includes three buttons. The handler for each button's <code>click</code> event sets
navigation history points using the <code>Sys.Application</code> object. The script used here, makes use of the
<code>Sys.Debug</code> class to dump trace information to the TEXTAREA at the bottom of the page.
</p>
<p>When you click the buttons, and history points are added, you will be able to see the list of history entries and their titles in the
"Recent Pages" drop-down in Internet Explorer, for example.
</P>
<p>To see history in action, perform the following steps:</p>
<ol>
<li>Press <b>1</b>. See the trace output.</li>
<li>Press <b>3</b>. See the trace output.</li>
<li>Press <b>2</b>. See the trace output.</li>
<li>Press the browser's Back button. Notice that the page is refreshed with previous data and
that trace information shows this.</li>
</ol>
<div id="div2" class="box">0</div><p></p>
<input type="button" id="clientButton1" value="1" />
<input type="button" id="clientButton2" value="2" />
<input type="button" id="clientButton3" value="3" />
<br /><br />
<textarea id="TraceConsole" cols="40" rows="5"></textarea>
</div>
</form>
</body>
</html>
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