NeatUpload的1.3.26版本。用于C# web环境下大文件上传。Large file uploads in ASP.NET - Jon Galloway提到三个最好用的控件中FileUploader.NET (MediaChase, $310 and up) RadUpload (Telerik, $249)NeatUpload (Free, LGPL license)唯一一个开源免费的控件。