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Add or Remove Series in Angular Chart component

09 Jun 2021 / 2 minutes to read

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.

Source
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app.component.ts
app.module.ts
main.ts
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import { Component, OnInit, ViewChild } from '@angular/core';
import { ChartComponent } from '@syncfusion/ej2-angular-charts';
@Component({
    selector: 'app-container',
    template:
    `<ejs-chart #chart id='chartcontainer' [primaryXAxis]='primaryXAxis' [primaryYAxis]='primaryYAxis'
            [title]='title' >
            <e-series-collection>
                <e-series [dataSource]='data' type='Column' xName='x' yName='y' > </e-series>
            </e-series-collection>
    </ejs-chart>
    <button ejs-button class='e-flat' (click)='add()'>add </button>
    <button ejs-button class='e-flat' (click)='remove()'>remove </button>`
})
export class AppComponent implements OnInit {
    public primaryXAxis: Object;
    public title: string;
    public primaryYAxis: Object;
    public data: Object[];
    @ViewChild('chart')
    public chart: ChartComponent;
    ngOnInit(): void {
        this.data =  [{ x: 'John', y: 10000 }, { x: 'Jake', y: 12000 }, { x: 'Peter', y: 18000 },
                { x: 'James', y: 11000 }, { x: 'Mary', y: 9700 }];
        this.primaryXAxis = {
           title: 'Manager',
            valueType: 'Category'
            };
        this.primaryYAxis = {
            title: 'Sales',
            minimum: 0,
            maximum: 20000
            };

        this.title = 'Sales Comparision';
    }
     add() {
                this.chart.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'
            }]);
        }
     remove() {
         this.chart.removeSeries(1);
     }
}
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import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { ChartModule} from '@syncfusion/ej2-angular-charts';
import { ButtonModule } from '@syncfusion/ej2-angular-buttons';
import { CategoryService, ColumnSeriesService, ExportService, LegendService, DataLabelService} from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, ChartModule,  ButtonModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [ CategoryService, ColumnSeriesService,ExportService, LegendService, DataLabelService]
})
export class AppModule { }
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import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);