Web.Config
--------------
<configuration>
<appSettings>
<add key ="SessionWarning" value ="1"/>
</appSettings>
</configuration>
-------------------------------------------------
SimpleAlert.aspx
-------------------
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="SimpleAlert.aspx.cs" Inherits="SimpleAlert" %>
<!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></title>
<script src="../Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
<script language="javascript" type="text/javascript">
var sessionTimeoutWarning = "<%= System.Configuration.ConfigurationSettings.AppSettings["SessionWarning"].ToString()%>";
var sessionTimeout = "<%= Session.Timeout %>";
var sTimeout = parseInt(sessionTimeoutWarning) * 60 * 1000;
setTimeout('SessionWarning()', sTimeout);
function SessionWarning() {
var message = "Your session will expire in another " + (parseInt(sessionTimeout) - parseInt(sessionTimeoutWarning)) + " mins! Please Save the data before the session expires";
alert(message);
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="Button1" runat="server" Text="Post Back"
onclick="Button1_Click" />
</div>
</form>
</body>
</html>
---------------------------------------------------
SimpleAlert.aspx.cs
------------------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace ASPNET_jQueryUI_Dialog_Timeout
{
public partial class _Default : System.Web.UI.Page
{
public bool TimeoutControlEnabled
{
get { return Timeout1.Enabled; }
set { Timeout1.Enabled = value; }
}
protected void Page_Load(object sender, EventArgs e)
{
Timeout1.TimeoutMinutes = HttpContext.Current.Session.Timeout;
Timeout1.AboutToTimeoutMinutes = HttpContext.Current.Session.Timeout - 1;
}
}
}
-----------------------------------------------------------------------------------------
SimpleAlertAndRedirect.aspx
--------------------------------
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="SimpleAlertAndRedirect.aspx.cs" Inherits="SimpleAlertAndRedirect" %>
<!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></title>
<script src="../Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
<script language="javascript" type="text/javascript">
var sessionTimeoutWarning = "<%= System.Configuration.ConfigurationSettings.AppSettings["SessionWarning"].ToString()%>";
var sessionTimeout = "<%= Session.Timeout %>";
var timeOnPageLoad = new Date();
//For warning
setTimeout('SessionWarning()', parseInt(sessionTimeoutWarning) * 60 * 1000);
//To redirect to the welcome page
setTimeout('RedirectToWelcomePage()',parseInt(sessionTimeout) * 60 * 1000);
//Session Warning
function SessionWarning() {
//minutes left for expiry
var minutesForExpiry = (parseInt(sessionTimeout) - parseInt(sessionTimeoutWarning));
var message = "Your session will expire in another " + minutesForExpiry + " mins! Please Save the data before the session expires";
alert(message);
var currentTime = new Date();
//time for expiry
var timeForExpiry = timeOnPageLoad.setMinutes(timeOnPageLoad.getMinutes() + parseInt(sessionTimeout));
//Current time is greater than the expiry time
if(Date.parse(currentTime) > timeForExpiry)
{
alert("Session expired. You will be redirected to welcome page");
window.location = "../Welcome.aspx";
}
}
//Session timeout
function RedirectToWelcomePage(){
alert("Session expired. You will be redirected to welcome page");
window.location = "../Welcome.aspx";
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" />
</div>
</form>
</body>
</html>
-------------------------------------------------------------------------
SimpleAlertAndRedirect.aspx.cs
--------------------------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class SimpleAlertAndRedirect : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Response.Write(Session.IsNewSession.ToString());
if (!IsPostBack)
{
Session["Test"] = "Some Value";
}
}
protected void Button1_Click(object sender, EventArgs e)
{
Response.Write(Session["Test"].ToString());
}
}
-----------------------------------------------------------------------
ExtendSession.aspx
---------------------
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ExtendSession.aspx.cs" Inherits="ExtendSession" %>
<!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></title>
<script src="../Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
<script language="javascript" type="text/javascript">
var sessionTimeoutWarning = "<%= System.Configuration.ConfigurationSettings.AppSettings["SessionWarning"].ToString()%>";
var sessionTimeout = "<%= Session.Timeout %>";
var timeOnPageLoad = new Date();
var sessionWarningTimer = null;
var redirectToWelcomePageTimer = null;
//For warning
var sessionWarningTimer = setTimeout('SessionWarning()', parseInt(sessionTimeoutWarning) * 60 * 1000);
//To redirect to the welcome page
var redirectToWelcomePageTimer = setTimeout('RedirectToWelcomePage()',parseInt(sessionTimeout) * 60 * 1000);
//Session Warning
function SessionWarning() {
//minutes left for expiry
var minutesForExpiry = (parseInt(sessionTimeout) - parseInt(sessionTimeoutWarning));
var message = "Your session will expire in another " + minutesForExpiry + " mins. Do you want to extend the session?";
//Confirm the user if he wants to extend the session
answer = confirm(message);
//if yes, extend the session.
if(answer)
{
var img = new Image(1, 1);
img.src = 'KeepAlive.aspx?date=' + escape(new Date());
//Clear the RedirectToWelcomePage method
if (redirectToWelcomePageTimer != null) {
clearTimeout(redirectToWelcomePageTimer);
}
timeOnPageLoad = new Date();
sessionWarningTimer = setTimeout('SessionWarning()', parseInt(sessionTimeoutWarning) * 60 * 1000);
//To redirect to the welcome page
redirectToWelcomePageTimer = setTimeout('RedirectToWelcomePage()',parseInt(sessionTimeout) * 60 * 1000);
}
//*************************
//Even after clicking ok(extending session) or cancel button, if the session time is over. Then exit the session.
var currentTime = new Date();
//time for expiry
var timeForExpiry = timeOnPageLoad.setMinutes(timeOnPageLoad.getMinutes() + parseInt(sessionTimeout));
//Current time is greater than the expiry time
if(Date.parse(currentTime) > timeForExpiry)
{
alert("Session expired. You will be redirected to welcome page");
window.location = "../Welcome.aspx";
}
//**************************
}
//Session timeout
function RedirectToWelcomePage(){
alert("Session expired. You will be redirected to welcome page");
window.location = "../Welcome.aspx";
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
</div>
</form>
</body>
</html>
------------------------------------------------------------------------
ExtendSession.aspx.cs
-------------------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class ExtendSession : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Response.Write(Session.IsNewSession.ToString());
if (!IsPostBack)
{
Session["Test"] = "Some Value";
}
}
protected void Button1_Click(object sender, EventArgs e)
{
Response.Write(Session["Test"].ToString());
}
}
