事件触发问题 [英] Event firing Problem

问题描述

大家好，

我写了TextChanged事件和Button Click.触发第一个TextChanged事件.当我首先单击按钮TextChanged事件并执行按钮单击事件时，出现了什么问题?

Hi All,

I have written TextChanged event and Button Click. First TextChanged event fired. when i click button TextChanged event fired first and button click event get executed whats the problem??

<asp:TextBox ID="txtPoNo" runat="server" AutoPostBack="True" OnTextChanged="txtPoNo_TextChanged"></asp:TextBox>

<pre><asp:Button ID="btnSave" runat="server" Text="Save"
                            OnClick="btnSave_Click" />

推荐答案

这不是问题，

It''s not a problem, it''s by design[^].

The server side representation of the controls gets updated, causing the OnTextChanged to be fired, before the OnClick and similar event handlers are invoked.

Best regards
Espen Harlinn

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