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Trigger Click Event of Input File from External Button in Angular Uploader component

21 Oct 2021 / 1 minute to read

You can trigger the click event of input file from external button using click event of button. In the below sample, triggered click event of input file from Essential JavaScript 2 Button.

Source
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app.component.ts
app.module.ts
main.ts
default.html
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import { Component, AfterViewInit } from '@angular/core';

@Component({
    selector: 'app-root',
    templateUrl: 'default.html',
    styleUrls: ['index.css']
})

export class AppComponent {
    public autoUpload: boolean = false;
    public path: Object = {
        saveUrl: 'https://ej2.syncfusion.com/services/api/uploadbox/Save',
        removeUrl: 'https://ej2.syncfusion.com/services/api/uploadbox/Remove'
    };
    ngAfterViewInit(): void {
        document.getElementById('browse').onclick = (args) => {
            document.getElementsByClassName('e-file-select-wrap')[0].querySelector('button').click();
        };
    }
}
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import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { UploaderModule } from '@syncfusion/ej2-angular-inputs';

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule, UploaderModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})
export class AppModule {
}
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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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<div class="control-section">
    <div class="control_wrapper">
        <!-- Initialize Uploader -->
        <div id="dropArea">
            <span id="drop"> Drop image (JPG, PNG) files here or <button class='e-btn e-control' id="browse">Browse</button></span>
        </div>
        <ejs-uploader #defaultupload id='fileupload' [asyncSettings]='path' [autoUpload]='autoUpload' ></ejs-uploader>
    </div>
</div>

You can also explore Angular File Upload feature tour page for its groundbreaking features. You can also explore our Angular File Upload example to understand how to browse the files which you want to upload to the server.