JavaScrip抓Session TimeOut時間，並每分鐘秀在網頁上，過時則跳出警告視窗
JavaScrip抓Session TimeOut時間，並每分鐘秀在網頁上，過時則跳出警告視窗
<%@ Page Language="VB" AutoEventWireup="true" CodeFile="Default.aspx.vb" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
<script type="text/javascript">
var sessionTimeout = <%= Session.Timeout %>
function DisplaySessionTimeout()
{
document.getElementById("<%= lblSessionTime.ClientID %>").innerText = sessionTimeout;
sessionTimeout = sessionTimeout - 1;
if (sessionTimeout >= 0)
window.setTimeout("DisplaySessionTimeout()", 60000);
else
{
alert("等待時間過久，請重新登入網頁");
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server" />
<div>
網頁剩餘session timeout 時間：還有<asp:Label ID="lblSessionTime" runat="server" Text=""></asp:Label>分鐘
</div>
</form>
</body>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
<script type="text/javascript">
var sessionTimeout = <%= Session.Timeout %>
function DisplaySessionTimeout()
{
document.getElementById("<%= lblSessionTime.ClientID %>").innerText = sessionTimeout;
sessionTimeout = sessionTimeout - 1;
if (sessionTimeout >= 0)
window.setTimeout("DisplaySessionTimeout()", 60000);
else
{
alert("等待時間過久，請重新登入網頁");
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server" />
<div>
網頁剩餘session timeout 時間：還有<asp:Label ID="lblSessionTime" runat="server" Text=""></asp:Label>分鐘
</div>
</form>
</body>
</html>
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load 
Protected
If Not Me.IsPostBack Then Page.ClientScript.RegisterStartupScript(Me.[GetType](), "onLoad", "DisplaySessionTimeout();", True) End If 
End Sub參考至：http://www.codeproject.com/KB/scripting/Session_Timeout.aspx