检测vb.net浏览器关闭事件 [英] detect browser close events in vb.net

问题描述

我有一个网页，看起来像：

I am having a Web Page that looks like:

<%@ Page Language="vb" AutoEventWireup="false" MasterPageFile = "~/Master11.master" CodeBehind="test7.aspx.vb" Inherits="MyApp.test7" %>

<%@ MasterType TypeName = "ASP.sample_template_master" %>

<asp:Content ID="Content2" ContentPlaceHolderID="mainContent1" runat="server">
</asp:Content>

当用户关闭浏览器，我想如果用户想要退出前保存显示一个确认框。

When the user closes the browser, I want to display a confirm box if the user wants to save before exit.

如果他说是，那么我想保存数据库中的信息，并关闭浏览器一样，我只是关闭浏览器。

If he says yes, then I wish to save the information in database and close the browser else I just close the browser.

我看了MSDN论坛，但所有我发现了窗口关闭事件，我无法适用于此。

I read msdn forums but all I found was window closing event which I was not able to apply here.

请帮忙。

谢谢，
krum_cho。

Thanks, krum_cho.

推荐答案

请尝试使用下面的JavaScript语句。

Try using the following JavaScript statement.

    window.onbeforeunload = function () {
        if ((window.event.clientX < 0) || (window.event.clientY < 0) || (window.event.clientX < -80)) {
            alert("Child window is closing...");
        }
    }; 

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