Use the C1LightBoxExtender control to overlay images on the current page. It is a simple way to highlight, or give focus to, an image. You can customize the C1LightBoxExtender to autoplay through images, play flash videos, show animated transitions, and more.

C1LightBoxExtender Markup

The following markup creates a C1LightBoxExtender control. Set the TargetControlID property to attach the extender to a control.

<cc1:C1LightBoxExtender ID="Panel1_C1LightBoxExtender" runat="server"

        TargetControlID="Panel1">

    </cc1:C1LightBoxExtender>