Asp.net upload

Welcome to the documentation for AJAX Uploader, the world's leading file upload component for ASP.NET!


AJAX Uploader is an easy to use, hi-performance ASP.NET File Upload Control which allows you to upload files to web server without refreshing the page.


This product lets you quickly and easily add upload capabilities to ASP.NET applications. All of its upload operations are asynchronous. As a result, the Web page hosting your application remains perfectly responsive and usable throughout the transfer.


This product allows you to select multiple files and upload multiple files at once. It supports AJAX frameworks and works in ajax updatepanel.


It allows you to upload large files to a server with the low server memory consumption. The look and feel of file upload controls can be customized to seamlessly blend into your website design.

Asp.net upload

Top features

  • Select multiple files at once when sending 
    Ajax Uploader allows you to select and upload multiple files at once rather than having to select and upload each file individually.
  • Client side validation of the file size/type before uploading 
    Client side validation of file size/types prior to uploading the files to a server to increase usability and reduce consumption of network and server resources.
  • Hi-Performance with optimized memory usage
    By streaming uploads directly to an output stream, rather than loading them into memory, Ajax Uploader achieves a level of scalability and performance impossible to reach with ASP.NET's built-in functionality.
  • Provides rich progress and status information during the upload
    Ajax Uploader has a real time progress bar which keeps track of every file upload. It offers an accurate and detailed progress indicator to end-users. It also gives end-users the ability to cancel uploads in progress.
  • Powerful approaches to uploading files without refreshing the page
    Ever wanted to upload files using AJAX like in GMAIL, without reloading the page? This Ajax version File Upload Control can also be placed in an UpdatePanel.
  • Asynchronous file upload
    This means that the file is uploaded in the background, allowing user to still use the page while the file is being uploaded.