Dynamic Series from the DataSource

In certain scenarios, you may need to add more series to the data source after you created the Chart. In this case, arrange your data source structure as follows:

[
    {seriesName: series1, arg: arg11Value, val: value11 }
    {seriesName: series1, arg: arg12Value, val: value12 }
    ...
    {seriesName: seriesM, arg: argM1Value, val: valueM1 }
    {seriesName: seriesM, arg: argM2Value, val: valueM2 }
    ...
]

Every object in the data source should correspond to a point in a single series.

This demo uses the structure displayed above to organize data:

{
    year: 1970,
    country: 'Saudi Arabia',
    oil: 192.2,
}

To define series, use the commonSeriesSettings object to specify common settings for all series: the argumentField, the valueField, and the type.

Then, use the seriesTemplate configuration object to define a template for the series. Within this object, assign the data source field that specifies the series name to the nameField property.

If you need to specify individual values for properties of a particular series, assign a callback function to the customizeSeries property of the seriesTemplate object. This demo uses the customizeSeries function to display a line instead of a bar for year: 2009.

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<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/23.1.5/css/dx.light.css" /> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js"></script> <script>window.angular || document.write(decodeURIComponent('%3Cscript src="js/angular.min.js"%3E%3C/script%3E'))</script> <script src="https://cdn3.devexpress.com/jslib/23.1.5/js/dx.all.js"></script> <script src="data.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container" ng-app="DemoApp" ng-controller="DemoController"> <div id="chart" dx-chart="chartOptions"></div> </div> </body> </html>

#chart { height: 440px; width: 100%; }

const dataSource = [{ year: 1970, country: 'Saudi Arabia', oil: 186.7, }, { year: 1970, country: 'USA', oil: 557.8, }, { year: 1970, country: 'Iran', oil: 207.3, }, { year: 1970, country: 'Mexico', oil: 24.7, }, { year: 1980, country: 'Saudi Arabia', oil: 480.4, }, { year: 1980, country: 'USA', oil: 423.2, }, { year: 1980, country: 'Iran', oil: 74.3, }, { year: 1980, country: 'Mexico', oil: 109.2, }, { year: 1990, country: 'Saudi Arabia', oil: 319.6, }, { year: 1990, country: 'USA', oil: 340.1, }, { year: 1990, country: 'Iran', oil: 183.3, }, { year: 1990, country: 'Mexico', oil: 145.3, }, { year: 1990, country: 'Russia', oil: 499.6, }, { year: 2000, country: 'Saudi Arabia', oil: 465, }, { year: 2000, country: 'USA', oil: 282.9, }, { year: 2000, country: 'Iran', oil: 195.5, }, { year: 2000, country: 'Mexico', oil: 148.3, }, { year: 2000, country: 'Russia', oil: 375.3, }, { year: 2008, country: 'Saudi Arabia', oil: 549.7, }, { year: 2008, country: 'USA', oil: 280, }, { year: 2008, country: 'Iran', oil: 214.9, }, { year: 2008, country: 'Mexico', oil: 132.1, }, { year: 2008, country: 'Russia', oil: 503.2, }, { year: 2009, country: 'Saudi Arabia', oil: 428.4, }, { year: 2009, country: 'USA', oil: 298.9, }, { year: 2009, country: 'Iran', oil: 217.2, }, { year: 2009, country: 'Mexico', oil: 121.6, }, { year: 2009, country: 'Russia', oil: 493.1, }];