asp.net 4.0 menu control and iPad

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I have a site that makes use of the asp.net menu control

ASP.NET

<asp:Menu ID="NavigationMenu" runat="server" CssClass="menu" EnableViewState="false" 
                IncludeStyleBlock="false" Orientation="Horizontal" SkipLinkText="" RenderingMode="List">

Which works fine except on iPad and iPhone. After upgrading to iOS5, a new behavior emerged: tapping on the top level menu drops down the list of menu items, but instead of staying open, the list now immediately closes.

Interestingly enough, prior to upgrading, the list would simply stay open and close when one tapped a menu item from the list.

Any help overcoming this would be appreciated.

Posted 4-Nov-11 8:36am

Christopher Devous

Updated 4-Nov-11 8:40am

Mehdi Gholam

v2

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Christopher Devous · Accepted Answer · 2011-11-04T12:08:00

Well, not sure if this is the "right" way to do it, but I found what appears to be a working fix.

Since the menu categories are created in code-behind, I added a null function to the navigate url property:

MenuItem Category = new MenuItem();
Category.Text = menuRow["Category"].ToString().Trim();
Category.Value = menuRow["Category"].ToString().Trim();
Category.NavigateUrl = "javascript:(function(){})();";

Now a tap on the iPad/iPhone holds the menu open, and other browsers don't seem to be affected (hover still works).