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How can I get a data point value from the chart series?

Platform: ASP.NET Web Forms |
Control: Chart |
Published Date: January 19, 2015 |
Last Revised Date: July 2, 2019

You can get the information related to a point in series when you move mouse over the point or by clicking the point using OnClientPointRegionMouseMove or OnClientPointRegionClick event.

Point region mouse move

OnClientPointRegionMouseMove event is triggered when moving mouse over a point.

Point region click

OnClientPointRegionClick event is triggered on clicking a point.

ASP

         <ej:Chart ID="container" OnClientPointRegionClick="mousemove" OnClientPointRegionMouseMove="mousemove" runat="server">        
    </ej:Chart>
    <script type="text/javascript">
        //Event handler for mouse move and mouse click events
        function mousemove(sender) {
            series = sender.model.series[sender.data.region.SeriesIndex];
            var X = series.points[sender.data.region.Region.PointIndex].x;
            var Y = series.points[sender.data.region.Region.PointIndex].y;
            alert("X:" + X + "  Y:" + Y);
        }
    </script>

Data point value from the chart series

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