You can add or remove the chart series dynamically by using the addSeries or removeSeries method.
To add or remove the series dynamically, follow the given steps:
Step 1:
To add a new series to chart dynamically, pass the series value to the addSeries method.
To remove the new series from chart dynamically, pass the series index to the removeSeries method.
import * as React from "react";
import * as ReactDOM from "react-dom";
import { ButtonComponent } from '@syncfusion/ej2-react-buttons';
import { ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject,
ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection}
from'@syncfusion/ej2-react-charts';
class App extends React.Component<{}, {}>{
public data: any[] = [{ x: 'John', y: 10000 },
{ x: 'Jake', y: 12000 },
{ x: 'Peter', y: 18000 },
{ x: 'James', y: 11000 },
];
public chartInstance: ChartComponent;
public add() {
this.chartInstance.addSeries([{
type: 'Column',
dataSource: [{ x: 'John', y: 11000 }, { x: 'Jake', y: 16000 }, { x: 'Peter', y: 19000 },
{ x: 'James', y: 12000 }, { x: 'Mary', y: 10700 }],
xName: 'x', width: 2,
yName: 'y'
}]);
};
public remove() {
this.chartInstance.removeSeries(1);
};
render() {
return (<div>
<ButtonComponent value='add' cssClass='e-flat' onClick={this.add.bind(this)}>add</ButtonComponent>
<ButtonComponent value='remove' cssClass='e-flat' onClick={this.remove.bind(this)}>remove</ButtonComponent>
<ChartComponent id='charts' ref={chart => this.chartInstance = chart} primaryXAxis={{ valueType: 'Category' }}
title='Sales Comparision'>
<Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, LineSeries, Category]} />
<SeriesCollectionDirective>
<SeriesDirective dataSource={this.data} xName='x' yName='y' type='Column' name='Sales'>
</SeriesDirective>
</SeriesCollectionDirective>
</ChartComponent> </div>)
}
};
ReactDOM.render(<App />, document.getElementById('charts'));