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  How to identify which chart got clicked, ASP.NET
Posted by mbe on May-09-2011 04:59
I have a number of clickable charts on the same page. On the return Url I would like to identify which chart got clicked, is that possible? Thanks

  Re: How to identify which chart got clicked, ASP.NET
Posted by Peter Kwan on May-10-2011 02:44
Hi mbe,

You can add a query parameter to the URL, so you can identify which chart is being clicked. For example (in C#):

WebChartViewer1.ImageMap = c.getHTMLImageMap("xxx.aspx?chart=1", "", "title='{value}'");

....

WebChartViewer2.ImageMap = c.getHTMLImageMap("xxx.aspx?chart=2", "", "title='{value}'");

The "chart=1" and "chart=2" query parameter above can be used to identify which chart is being clicked.

Hope this can help.

Regards
Peter Kwan