事件触发
1.OnInit
2.LoadControlState
3.LoadViewState
4.LoadPostDate
5.Load
6.RaisePostDataChangedEvent
7.RaisePostbackEvent
8.PreRender
9.SaveControlState
10.SaveViewState
11.Render
12.Dispose
13.UnLoad
2.LoadControlState
3.LoadViewState
4.LoadPostDate
5.Load
6.RaisePostDataChangedEvent
7.RaisePostbackEvent
8.PreRender
9.SaveControlState
10.SaveViewState
11.Render
12.Dispose
13.UnLoad