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menu's 3rd level invisible on IE-6,7

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Shay Grinstein
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Shay Grinstein asked on 24 May 2010, 07:54 AM
Hello,

I'm using ASP.NET Ajax RadMenu in several websites and recently I've noticed that the 3rd level is not visible when I browse the websites with IE 6 or 7.

You can see the problem at:
www.applisonix.com
On the menu go to News and Events -> News. On IE 8 and Firefox you'll see a 3rd level with News 2009 and News 2010.
However, On IE 6 and 7 you'll see the text for a second and then it will disappear.

I'm using a custom skin:
http://www.applisonix.com/skins/Menu.applisonixSkin.css

What could be the problem?

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Shay Grinstein
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answered on 24 May 2010, 07:56 AM
This is the ASPX code:

<body leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">
    <form id="form1" runat="server">
    <telerik:RadScriptManager ID="RadScriptManager1" runat="server">
    </telerik:RadScriptManager>     
        <div id="mainContainer">
            <div id="flash"><script>showFlash('flash_home.swf', 770, 130)</script></div>
            <div id="nav_home1">
                <asp:SiteMapDataSource ID="SiteMapDataSource1" runat="server" ShowStartingNode="False" />
                <div style="margin-top: -12px;">
                <telerik:RadMenu ID="RadMenu1" runat="server" DataSourceID="SiteMapDataSource1"
                    EnableEmbeddedSkins="False" CssClass="RadMenu_applisonixSkin"
                    DataTextField="Title" DefaultGroupSettings-OffsetY="-2">
                </telerik:RadMenu>           
                </div>
            </div>
...

Thanks,
Shay
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Kamen Bundev
Telerik team
answered on 25 May 2010, 01:52 PM
Hello Shay,

This happens because filters implementation in IE is very buggy and among other things (like breaking alpha transparency) the filters set overflow to hidden on the affected element. To work around this, you need to set the transparency to an element that is not a container to the sub menu - like .rmLink. I modified your skin to fix that and I'm attaching it here.

Sincerely yours,
Kamen Bundev
the Telerik team

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Shay Grinstein
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answered on 25 May 2010, 03:45 PM
This resolved my problem.

Thank you,
Shay.
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Shay Grinstein
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Shay Grinstein
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Kamen Bundev
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