1. Sub Page_PreInit protegido (ByVal sender As Object, ByVal e As System.EventArgs) Trata Me.PreInit
如果有MasterPage的话，在这里执行MasterPage里面的page事件，事件顺序在这篇文章里有写道
1.Protected Sub Page_Init(ByVal sender As Object, ByVal e As System.EventArgs ) Lida com Me.Init
2. Sub Page_InitComplete protegido (ByVal sender As Object, ByVal e As System.EventArgs) Trata Me.InitComplete
3. Sub Page_PreLoad protegido (ByVal sender As Object, ByVal e As System.EventArgs) Trata Me.PreLoad
4. Sub Page_Load protegido (remetente ByVal como objeto, ByVal e como System.EventArgs) manipula Me.Load
5. Sub Page_LoadComplete protegido (ByVal sender As Object, ByVal e As System.EventArgs) Trata Me.LoadComplete
6. Sub Page_PreRender protegido (ByVal sender As Object, ByVal e As System.EventArgs) Trata Me.PreRender
7. Sub Page_PreRenderComplete protegido (ByVal sender As Object, ByVal e As System.EventArgs) Trata Me.PreRenderComplete
8. Sub Page_SaveStateComplete protegido (ByVal sender As Object, ByVal e As System.EventArgs) Trata Me.SaveStateComplete