Add items in Angular List box component
27 Sep 20233 minutes to read
To add an item or multiple items, addItems
method can be used. In the following example, the Bugatti Veyron Super Sport
and SSC Ultimate Aero
items will be added while clicking Add Items
button.
import { Component } from '@angular/core';
import { getInstance } from '@syncfusion/ej2-base';
import { ListBox } from '@syncfusion/ej2-dropdowns';
@Component({
selector: 'app-container',
template: `<div class="e-section-control">
<button (click)="btnclick()" class="e-btn">ADD ITEMS</button>
<ejs-listbox id="listbox" [dataSource]="data"></ejs-listbox></div>`
})
export class AppComponent {
public data: { [key: string]: Object }[] = [
{ text: 'Hennessey Venom', id: 'list-01' },
{ text: 'Bugatti Chiron', id: 'list-02' },
{ text: 'Koenigsegg CCR', id: 'list-05' },
{ text: 'McLaren F1', id: 'list-06' },
{ text: 'Aston Martin One- 77', id: 'list-07' },
{ text: 'Jaguar XJ220', id: 'list-08' },
{ text: 'McLaren P1', id: 'list-09' },
{ text: 'Ferrari LaFerrari', id: 'list-10' }
];
btnclick(){
let listboxobj:ListBox = getInstance((document as any).getElementById("listbox"), ListBox) as ListBox;
let addItem: { [key: string]: Object }[] = [
{ text: 'Bugatti Veyron Super Sport', id: 'list-03' }, { text: 'SSC Ultimate Aero', id: 'list-04' }
];
if (!listboxobj.getDataByValue('Bugatti Veyron Super Sport')) {
listboxobj.addItems(addItem);
}
}
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { AppComponent } from './app.component';
import { ListBoxComponent, ListBoxAllModule } from '@syncfusion/ej2-angular-dropdowns';
import { ButtonComponent } from '@syncfusion/ej2-angular-buttons';
/**
* Module
*/
@NgModule({
imports: [
BrowserModule,FormsModule, ReactiveFormsModule,ListBoxAllModule
],
declarations: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';
import 'zone.js';
enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);