or
Error: System.Windows.Markup.XamlParseException : The attachable property 'Action' was not found in type 'Interactivity'. [Line: 1 Position: 1631] at MS.Internal.XcpImports.CreateFromXaml(String xamlString, Boolean createNamescope, Boolean requireDefaultNamespace, Boolean allowEventHandlers, Boolean expandTemplatesDuringParse) at MS.Internal.XcpImports.CreateFromXaml(String xamlString, Boolean createNamescope, Boolean requireDefaultNamespace, Boolean allowEventHandlers) at System.Windows.Markup.XamlReader.Load(String xaml) at Telerik.ReportViewer.Silverlight.ReportViewerModel.GetUIElement(Byte[] buffer) at Telerik.ReportViewer.Silverlight.ReportViewerModel.OnPageLoaderPageLoaded(Object sender, PageInfoArgs e) at Telerik.ReportViewer.Silverlight.ReportViewerModel.PageLoader.OnPageLoaded(Object sender, PageInfoArgs args) at Telerik.ReportViewer.Silverlight.ReportViewerModel.PageLoader.OnGetPageCompleted(Object sender, GetPageEventArgs e)<my:ReportViewer x:Name="ReportViewer" ReportServerUri="../Services/ReportService.svc" Height="600" Grid.Row="1" Grid.ColumnSpan="2" HorizontalAlignment="Stretch" VerticalAlignment="Top" Report="ReportLibrary.rptSplash, ReportLibrary" ZoomMode="PageWidth" />