The viewerToolTipOpening(e, args) Event of the HTML5 Report Viewer

The event occurs before a tooltip is opened, providing the ability to cancel its opening.

Parameters:

Parameter	Description
e	This is the jQuery.Event object and e.data is respectively jQuery's event.data. e.data.sender is the report viewer that raised the event.
args	An object with the following properties: element - the DOM element that caused the tooltip opening. toolTip - the current toolTip instance. Consists of title and text fields. cancel - a flag that determines if the further processing of the action should be canceled or not.

JavaScript

// $(handler) is jQuery's shorthand for $(document).ready(handler)
$(function () {
	$("#reportViewer1").telerik_ReportViewer({
		serviceUrl: "api/reports/",
		reportSource: {
			report: "Telerik.Reporting.Examples.CSharp.ProductSales, CSharp.ReportLibrary"
		},
		viewerToolTipOpening: function(e, args)
		{
			//disable a tooltip that contains '2004' in its title
			args.cancel = (/2004/i.test(args.toolTip.title));
		}
	});
});

See Also

• HTML5 Report Viewer