Set it in the @Page directive:

<%@ Page language="c#" SmartNaviagtion="true" %>

If you are using Visual Studio.NET, you can also go to the Properties window of the Document and set it there.

>Do I set it in the @Page attribute of the aspx or in the page load event of the code-behind page?
>
>Neil
>
>>I think so, but it only works with Internet Explorer 5.0 or later.
>>
>>>No I don't. Is
>>>that the only thing that has to be done?
>>>
>>>
>>>>Do you have the smartNavigation property of the Page set to true?
>>>>
>>>>>how do I reduce the amount of page flicker when an asp.net page is posted back. I get a white screen followed by a re-draw whenever I click on a server control that does not result in a page redirection.
>>>>>
>>>>>Neil