control is designed to visualize external web pages and/or HTML content over the Silverlight plug-in. If you export your reports in HTML file you will be able to visualize it in the RadHtmlPlaceholder
Furthermore, please take a look at Telerik Reporting
. It is a lightweight reporting solution for all .NET cloud, web, and desktop platforms (Azure, Silverlight, WPF, ASP.NET and Windows Forms) which targets developers and end-users alike. You are allowed to extract your reports in HTML format with it.
Pavel R. Pavlov
the Telerik team