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How to add a new series dynamically in .NET WebForms Chart ?

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ssential Chart supports dynamically customizing all the properties with the instance of Chart in client-side. You can create an instance for chart, by calling the ejChart constructor method with the string “instance” as parameter. To add a new series dynamically, add a series object to the series collection of chart instance. The following code illustrates this.

ASP

    <ej:Chart ID="container" runat="server">
        <Series>
            <ej:Series>
                <Points>
                    <ej:Points X="India" Y="25"></ej:Points>
                    <ej:Points X="Australia" Y="32"></ej:Points>
                    <ej:Points X="China" Y="41"></ej:Points>
                    <ej:Points X="Japan" Y="30"></ej:Points>
                    <ej:Points X="France" Y="28"></ej:Points>
                </Points>
            </ej:Series>
        </Series>
    </ej:Chart>
    <input type="button" onclick="AddSeries()" value="Add Series" />
    <script type="text/javascript">
        function AddSeries() {
            //Creating an instance of Chart
            var Chart = $("#container").ejChart("instance");
            //Adding a new series dynamically using Chart instance
            Chart.model.series[Chart.model.series.length] = { points: [{ x: 'Australia', y: 20 }, { x: 'China', y: 15 }], name: 'Dynamic Series' }
            //Redrawing chart after updating series collection
            Chart.redraw();
        }
    </script>

Screenshots:

Chart before adding dynamic series

Figure 1: Chart without series

 

Chart after adding dynamic series

Figure 2: After adding series

Sample link:

A sample for dynamically adding a new series is available in the following link: SampleASP

Conclusion

I hope you enjoyed learning about how to  add a new series dynamically in .NET WebForms Chart.

You can refer to our .NET WebForms Chart feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our  example to understand how to create and manipulate data.

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