什么是__doPostBack函数的意义，它是使用什么时候？ [英] What is the meaning of __doPostBack function, and when is it used?

问题描述

我的问题触发服务器端的按钮单击事件，所以我发现在网上一个解决方案，我应该做这样的事情。

I had problem triggering server side button click events so I found a solution on the net that I should do something like

  <input type="submit" name="button" id="loginButton" value="Submit" 
                            class="button-orange" alt="Register" title="Register" runat = "server" onclick ="this.disabled=true;__doPostBack('loginButton','')"/>

我做到了，和它的工作，但我想知道是怎么回事！

I did it, and it worked, but I would like to know what is going on!

推荐答案

只是简单地说，它主要是用于控制与AutoPostBack属性。

simply said, it is used mainly by controls with AutoPostBack property

http://www.dotnetspider.com/resources/ 189的AutoPostBack - 什么 - 如何-works.aspx

如果你想实现自动回您的自定义控制，那么你需要实现的 IPostBackDataHandler

if you want to implement autopostback for your custom control, then you need to implement IPostBackDataHandler

这篇关于什么是__doPostBack函数的意义，它是使用什么时候？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！