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Check the MIME type of File before Upload it in Angular Uploader component

18 May 2022 / 1 minute to read

By using uploading event, you can get the file MIME type before uploading it to server. In the below sample, file MIME type is shown in the alert box before file start to upload.

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

export class AppComponent {
    public autoUpload: boolean = false;
    public path: Object = {
        saveUrl: '',
        removeUrl: ''
    public onBeforeUpload: EmitType<Object> = (args: any) => {
        // get the file MIME type
        alert("File MIME type is: " + args.fileData.rawFile.type)
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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="control_wrapper">          
        <ejs-uploader #defaultupload id='fileupload' [asyncSettings]='path' [autoUpload]='autoUpload' (uploading)='onBeforeUpload($event)' ></ejs-uploader>

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.