Hello,

You have to enable the chart image map:

NHtmlImageMapResponse imageMapResponse = new NHtmlImageMapResponse();
nChartControl1.ServerSettings.BrowserResponseSettings.DefaultResponse = imageMapResponse;

Pleaset take a look at the following example:

Interactive Charting \ Image Map

Best Regards,
Nevron Support Team

Hello
I have able to add image through wartermark and now need to work with url.

Dim interactivityStyle As NInteractivityStyle = New NInteractivityStyle("Find out more ...", CursorType.Hand)
interactivityStyle.UrlLink.OpenInNewWindow = True
interactivityStyle.UrlLink.Url = "http://xxx"
watermark.InteractivityStyle = interactivityStyle


it doesnt show any link on chart.

Regards,