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Selecting Range

The left and right thumb of RangeNavigator are used to indicate the selected range in the large collection of data. Following are the ways you can select a range.

  • By dragging the thumbs.
  • By tapping on the labels.
  • By setting the start and end through value properties.

Following code example shows how to configure the selected range using value property of RangeNavigator.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component, OnInit } from '@angular/core';
import { datasrc } from 'datasource.ts'

@Component({
    selector: 'app-container',
    template:
    `<ejs-rangenavigator id="rn-container" valueType='DateTime' [value]='value' [tooltip]='tooltip'
    [labelFormat]='labelFormat'>
            <e-rangenavigator-series-collection>
                <e-rangenavigator-series [dataSource]='chartData' type='Area' xName='x' yName='y' width=2>
                </e-rangenavigator-series>
            </e-rangenavigator-series-collection>
        </ejs-rangenavigator>`
})
export class AppComponent implements OnInit {
    public value: Object[];
    public chartData: Object[];
    public tooltip: Object[];
    public labelFormat: string;
    ngOnInit(): void {
        this.value = [new Date('2017-09-01'), new Date('2018-02-01')];
        this.chartData = datasrc;
        this.tooltip = { enable: true, displayMode: 'Always' };
        this.labelFormat = 'MMM-yy';
    }
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { ChartModule, RangeNavigatorModule } from '@syncfusion/ej2-angular-charts';
import { AreaSeriesService, DateTimeService, RangeTooltipService} from '@syncfusion/ej2-angular-charts';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, ChartModule, RangeNavigatorModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent],
    providers: [ AreaSeriesService, DateTimeService, RangeTooltipService ]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

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