The bind(eventName, eventHandler) method of the HTML5 Report Viewer

Binds event handlers to the specified event.

function onPageReady(e) {
  console.log('page ready!');
}
var reportViewer = $("#reportViewer1").data("telerik_ReportViewer");
reportViewer.bind(telerikReportViewer.Events.PAGE_READY, onPageReady);