[研究][C#][ASP.NET][WebForm][JavaScript]顯示 Web.Config 設定 Session Out Time 時間
2020-11-17
載入網頁時，顯示 Web.Config 設定 Session Time 時間。
參考下面修改，但有些 Code 不能用
Alert Session Time out in ASP.NET
https://www.codeproject.com/Articles/227382/Alert-Session-Time-out-in-ASP-Net
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication2.Default" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script language="javascript" type="text/javascript">
//https://www.codeproject.com/Articles/227382/Alert-Session-Time-out-in-ASP-Net
//This method is obsolete, it has been replaced by System.Configuration!System.Configuration.ConfigurationManager.AppSettings
<%--var sessionTimeoutWarning = "<%= System.Configuration.ConfigurationSettings.AppSettings["SessionWarning"].ToString()%>"; /*fail，沒有彈出對話盒*/--%>
<%--var sessionTimeoutWarning = "<%= System.Configuration.ConfigurationManager.AppSettings["SessionWarning"].ToString()%>"; /*fail，沒有彈出對話盒*/--%>
//var sessionTimeoutWarning = 1; /*fail，沒有彈出對話盒*/
var sessionTimeoutWarning = 0; /* OK */
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>
</div>
</form>
</body>
</html>
|
Default.aspx.cs (不用修改)
using System; using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace WebApplication2
{
public partial class Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
}
}
|
Web.Config
<?xml version="1.0" encoding="utf-8"?> <!--
如需如何設定 ASP.NET 應用程式的詳細資訊，請前往
https://go.microsoft.com/fwlink/?LinkId=169433
-->
<configuration>
<system.web>
<compilation debug="true" targetFramework="4.7.2"/>
<httpRuntime targetFramework="4.7.2"/>
</system.web>
<appSettings>
<!--Session Time Out 前1分鐘警告-->
<add key="SessionWarning" value="1" />
</appSettings>
<system.codedom>
<compilers>
<compiler language="c#;cs;csharp" extension=".cs"
type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
warningLevel="4" compilerOptions="/langversion:default /nowarn:1659;1699;1701"/>
<compiler language="vb;vbs;visualbasic;vbscript" extension=".vb"
type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
warningLevel="4" compilerOptions="/langversion:default /nowarn:41008 /define:_MYTYPE=\"Web\" /optionInfer+"/>
</compilers>
</system.codedom>
</configuration>
|
這邊有討論此種作法問題
https://www.itdaan.com/tw/e65f06f8610f33f3662810e8dd7b4261
(完)
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