WebPart LifeCycle

1. protected override void OnInit(EventArgs e)
2. protected override void OnLoad(EventArgs e)
3. protected override void CreateChildControls()
4. protected override void LoadViewState(object savedState) //Only at Postback
5. protected override void OnPreRender(EventArgs e)
6. protected override void Render(System.Web.UI.HtmlTextWriter writer)
7. protected override void OnUnload(EventArgs e)
8. public override void Dispose()