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Getting started with Angular ListBox component

This section briefly explains how to create a simple ListBox component and configure its available functionalities in Angular.

Dependencies

The following list of dependencies are required to use the ListBox component in your application.

|-- @syncfusion/ej2-angular-dropdowns
    |-- @syncfusion/ej2-base
    |-- @syncfusion/ej2-data
    |-- @syncfusion/ej2-angular-base
    |-- @syncfusion/ej2-dropdowns
        |-- @syncfusion/ej2-lists
        |-- @syncfusion/ej2-inputs
        |-- @syncfusion/ej2-navigations
        |-- @syncfusion/ej2-popups
            |-- @syncfusion/ej2-buttons

Setup Angular environment

You can use Angular CLI to setup your Angular applications. To install Angular CLI use the following command.

npm install -g @angular/cli

Create an Angular application

Start a new Angular application using below Angular CLI command.

ng new my-app
cd my-app

Installing Syncfusion ListBox package

To install ListBox package, use the following command.

npm install @syncfusion/ej2-angular-dropdowns --save

The above package installs ListBox dependencies which are required to render the component in the Angular environment.

Adding ListBox module

Import ListBox module into Angular application(app.module.ts) from the package @syncfusion/ej2-angular-dropdowns.

import { NgModule }      from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
// import the ListBoxModule for the ListBox component
import { ListBoxModule } from '@syncfusion/ej2-angular-dropdowns';
import { AppComponent }  from './app.component';

@NgModule({
 //declaration of ej2-angular-dropdowns module into NgModule
 imports:      [ BrowserModule, ListBoxModule ],
 declarations: [ AppComponent ],
 bootstrap:    [ AppComponent ]
})
export class AppModule { }

Adding Syncfusion ListBox component

Modify the template in app.component.ts file to render the Button module.

import { Component, ViewEncapsulation } from '@angular/core';

@Component({
 selector: 'app-root',
 // specifies the template string for the ListBox component
 template: `<ejs-listbox></ejs-listbox>`,
 encapsulation: ViewEncapsulation.None
})
export class AppComponent  { }

Adding CSS reference

Add Button component’s styles as given below in style.css.

@import "../node_modules/@syncfusion/ej2-dropdowns/styles/material.css";

Binding data source

After initialization, populate the ListBox with data using the dataSource property. Here, an array of object is passed to the ListBox component.

import { Component } from '@angular/core';

@Component({
    selector: 'app-root',
    // specifies the template string for the ListBox component
    template: `<ejs-listbox [dataSource]='data'></ejs-listbox>`
})
export class AppComponent {
    constructor() {
    }
    // defined the array of object
    public data: { [key: string]: Object }[] = [
    { text: 'Hennessey Venom', id: 'list-01' },
    { text: 'Bugatti Chiron', id: 'list-02' },
    { text: 'Bugatti Veyron Super Sport', id: 'list-03' },
    { text: 'SSC Ultimate Aero', id: 'list-04' },
    { 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' },
];
}

Run the application

After completing the configuration required to render a basic ListBox, run the following command to display the output in your default browser.

ng serve

The following example illustrates the output in your browser.

Source
Preview
app.component.ts
app.module.ts
main.ts
import { Component } from '@angular/core';
import { ListBoxComponent } from '@syncfusion/ej2-angular-dropdowns';

@Component({
    selector: 'app-container',
    // specifies the template string for the ListBox component with dataSource
    template: `<ejs-listbox [dataSource]='data'></ejs-listbox>`
})
export class AppComponent {
    // defined the array of object
    public data: { [key: string]: Object }[] = [
    { text: 'Hennessey Venom', id: 'list-01' },
    { text: 'Bugatti Chiron', id: 'list-02' },
    { text: 'Bugatti Veyron Super Sport', id: 'list-03' },
    { text: 'SSC Ultimate Aero', id: 'list-04' },
    { 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' }
];
}
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { AppComponent } from './app.component';
import { ListBoxComponent } from '@syncfusion/ej2-angular-dropdowns';
import { ButtonComponent } from '@syncfusion/ej2-angular-buttons';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule,FormsModule, ReactiveFormsModule
    ],
    declarations: [AppComponent, ListBoxComponent, ButtonComponent],
    bootstrap: [AppComponent]
})
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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