Accessibility in ASP.NET MVC File Upload

26 Aug 20263 minutes to read

The Uploader control follows the accessibility guidelines and standards, including ADA, Section 508, WCAG 2.2 standards, and WCAG roles that are commonly used to evaluate accessibility.

The accessibility compliance for the Uploader component is outlined below.

Accessibility Criteria Compatibility
WCAG 2.2 Support AA
Section 508 Support Yes
Screen Reader Support Yes
Right-To-Left Support Yes
Color Contrast Yes
Mobile Device Support Yes
Keyboard Navigation Support Yes
Accessibility Checker Validation Yes
Yes - All features of the component meet the requirement.
Intermediate - Some features of the component do not meet the requirement.
No - The component does not meet the requirement.

Keyboard interaction

The Uploader control provides complete ARIA accessibility support, making it accessible to on-screen readers and other assistive technology devices.

The following standard keys work on the Uploader control:

 Keyboard shortcuts   Actions 
 Tab  Moves focus to next element.
 Shift + Tab  Moves focus to previous element.
 Enter  Triggers corresponding action to the button element.
 Esc  Closes the file browser dialog alone and cancels the upload on drop the file. 
@Html.EJS().Uploader("UploadFiles").AutoUpload(false).AsyncSettings(new Syncfusion.EJ2.Inputs.UploaderAsyncSettings { SaveUrl = "https://services.syncfusion.com/aspnet/production/api/FileUploader/Save", RemoveUrl = "https://services.syncfusion.com/aspnet/production/api/FileUploader/Remove" }).Render()
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;

namespace EJ2CoreSampleBrowser.Controllers.TextBoxes
{
    public class UploaderController : Controller
    {
        public ActionResult DefaultFunctionalities()
        {
            return View();
        }
    }
}

Ensuring accessibility

The Uploader control’s accessibility levels are ensured through an accessibility-checker and axe-core software tools during automated testing.

The accessibility compliance of the Uploader component is shown in the following sample. Open the sample in a new window to evaluate the accessibility of the Uploader component with accessibility tools.

See also