How to completely disable ViewState in ASP.NET
I tried to disbale Viewstate of a website by set EnableViewState Page directive to false. But when I get the Page HTML Source I found the following line:

1: <input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE"
2: value="/wEPDwUKMTY1NDU2MTA1MmRk7eWz8DBE7zF7MW8sS4wNndKCr5gBJPZZ/LOS1KIbBo4=" />
1: protected override void SavePageStateToPersistenceMedium(object viewState)
2: {
3:
4: }
5:
6: protected override object LoadPageStateFromPersistenceMedium()
7: {
8: return null;
9: }