The uploadbox control supports uploading files into the designated server, regardless of the file format and size. The upload box control helps you with the selection of files to upload to the server. It also has theme support.
The ASP.NET file upload control seamlessly works with asynchronous mode using the AJAX library.
Users can select multiple files and upload them to a server at the same time, which is useful for uploading images to a gallery and file sharing applications.
The action buttons of the ASP.NET file upload control is completely customizable, including its file list, which helps you create your own design for the file upload UI.
Users can add validation to check file size limits with minimum and maximum ranges, number of files required, total size, and MIME type before uploading a file to a server.
The ASP.NET file upload control provides a simple interface to delete files from a server after uploading them, which helps you delete wrongly uploaded files.
Users can initiate an automatic upload to upload files immediately upon adding them to the upload queue.
The control displays a built-in progress bar (progress indicator) with the progress percentage during each file upload.
Users can set corresponding translation texts to the static strings used in the ASP.NET file upload control through the localization library.
The ASP.NET file upload control supports right-to-left rendering, which improves the user experience and accessibility for those who use RTL languages.
Fully supports WAI-ARIA accessibility, which allows the file upload control to be accessed by on-screen readers and assistive devices.
Follows the WAI-ARIA Best Practices for implementing keyboard interaction.
The UI element visuals, such as foreground color, background color, line spacing, text, and images, were designed based on the WCAG 2.0 standard.
The file uploader control has several built-in themes such as material, bootstrap, fabric (Office 365), and high contrast. Users can customize any one of these built-in themes or create new themes to achieve their own desired look and feel either by simply overriding SASS variables or using our Theme Studio application.
Developers can control the appearance and behaviors of the file upload, including its file list, using a rich set of APIs.
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