asp:Menu fix for IE8
As most people know, IE8 was written to be as compliant with the W3C standards as possible, which means that existing sites may not work properly when view from IE8 in Standards mode. All of the Server-side asp controls appear to be compliant with the exception of the asp:Menu control. Microsoft has published the article FIX: The pop-out menus are not displayed when you use Internet Explorer 8.0 in Standards mode to view an ASP.NET Web page that has dynamic menus that links to 2 different hotfixes depending upon which OS you are serving from. To read the full article from the IE8 dev team, go to:
asp:menu fix for IE8 problem available