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modalBackground - Opacity on large page turning screen solid

Posted By:      Posted Date: September 14, 2010    Points: 0   Category :ASP.Net
Hi AllI have a problem with Opacity in my project - it turns the screen a solid colour instead of see-thru.I am displaying a rotating wheel in a panel and using modalpopupextender.1) Only happens in IE82) Only happens when there is a lot of data displayed on screen (i.e Datagrid displaying a lot of records). <style type="text/css">        .modalBackground        {            filter: Alpha(Opacity=70);            -moz-opacity: 0.7;            opacity: .7;            background-color: #D1E9D5;        }    </style><center>        <p>            <asp:Panel ID="panelUpdateProgress" runat="server" CssClass="UpdateProgress1">            <asp:UpdateProgress ID="UpdateProg1" DisplayAfter="0" runat="server" >                <Progre

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