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Get the Total Size of Selected Files in Angular Uploader component

06 Oct 2022 / 1 minute to read

You can get the total size of selected files before uploading it to the designated server. This can be achieved by using the selected event. Refer to the following example to calculate the total file size.

In the following example, explains about how to calculate total file size before upload.

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import { Component, ViewChild } from '@angular/core';
import { UploaderComponent, SelectedEventArgs } from '@syncfusion/ej2-angular-inputs';
    selector: 'app-root',
    templateUrl: 'default.html',
    styleUrls: ['index.css']

export class AppComponent {
    public uploadObj: UploaderComponent;

    public path: Object = {
        saveUrl: '',
        removeUrl: ''
  public onSelect(args: SelectedEventArgs): void {
    let totalSize: number = 0;
    for (let file of args.filesData) {
        totalSize = totalSize + file.size;
    let size: string = this.uploadObj.bytesToSize(totalSize);
    alert("Total select file's size is " + size)
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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
    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';

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<div class="control-section">
    <div class="col-lg-9">
        <div class="control_wrapper">
            <ejs-uploader #defaultupload id='fileupload' [asyncSettings]='path'  (selected)='onSelect($event)'></ejs-uploader>
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#container {
  visibility: hidden;

#loader {
color: #008cff;
height: 40px;
left: 45%;
position: absolute;
top: 45%;
width: 30%;

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.