Blazor Ebook
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By default, when the dataSource for series is empty, a lightweight Range Selector will be shown without Chart.
import { Component, OnInit } from '@angular/core';
import { GetDateTimeData } from 'datasource.ts'
@Component({
selector: 'app-container',
template:
`<ejs-rangenavigator id="rn-container" valueType='DateTime' [value]='value' [labelFormat]='labelFormat' [dataSource]='chartData' xName='x' yName='y'></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(2018, 4, 1), new Date(2018, 8, 1)];
this.chartData = GetDateTimeData(new Date(2018, 0, 1), new Date(2019, 0, 1));
this.labelFormat = 'MMM';
}
}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} from '@syncfusion/ej2-angular-charts';
/**
* Module
*/
@NgModule({
imports: [
BrowserModule, ChartModule, RangeNavigatorModule
],
declarations: [AppComponent],
bootstrap: [AppComponent],
providers: [ AreaSeriesService, DateTimeService ]
})
export class AppModule { }import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';
enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);