Add or Remove Series in Angular Chart component

03 Mar 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

Preview

app.component.ts

app.module.ts

main.ts

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);
     }
}

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 { }

import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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