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<input type="hidden" id="getsession" runat="server"/>
getsession.alue=Session["id"]
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default9.aspx.cs" Inherits="Default9" %>
<!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>前后JS获取后台的Session值</title>
<script type="text/javascript" language="javascript">
function getSession()
{
var s='<%=Session["LK"] %>';
alert("这个消息来自"+s);
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input id="Button1" type="button" value="button" />
</div>
</form>
</body>
</html>
using System;
public partial class Default9 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Session["LK"] = "后台的Session值!";
}
}
<input type="hidden" id="user" value="<%= Session["UserName"] %>" />
var userName = $("#user").val(); //获取隐藏域中的Session值
$("[id$=txtApplicant]").attr("value", userName);//将其赋值给服务器端控件