asp.net页面请求实现过程

    我们知道一个“asp.net”程序在IIS中以一个HttpApplication的实例来运行，客户端提交request，则它开始工作，一个request从发出到结束的整个过程如下，它经过了若干的步骤，了解这些过程的先后顺序对开发和测试都有一定的帮助。

HttpApplication	Page	Control
BeginRequest
AuthenticateRequest
AuthorizeRequest
ResolveRequestCache
	Page Constructor fires
AcquireRequestState
PreRquestHandlerExecute
	CreateControlCollection method
		Init
		trackViewState method
	Init
	TRackViewState method
		LoadViewState method
	Load
		DataBind
		Load
	Postback event handler methods
	PreRender
	SaveViewState method
		SaveViewState method
	Render method
		RenderControl method
		Unload
		Dispose
	Unload
	Dispose
ReleaseRequestSate
UpdateRequestCache
EndRequest