About the problem of Asp.net page Page_Load being executed twice

When writing aspx, if you accidentally remove AutoEventWireup="false", you may die ugly.

The Page_load part will be executed twice when the page is loaded! Be careful not to remove the AutoEventWireup="false" setting in aspx

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<%@ Page language="c#" Codebehind="ShowSimpleFactory.aspx.cs" AutoEventWireup="false" Inherits="test.DesignPatternTest.ShowSimpleFactory" %>