MultiPowUpload is easy client-side solution that can be used to perform file uploads from a user machine to the web server. It is a Macromedia Flash movie supported by most browsers and needs just Flash player plug-in on users side and any standard file upload script on server side.
Flash sends files in RFC 1867 format so any server files upload script can receive files.
You got license of MultiPowUpload for free with purchase of any PowUpload ASP.NET control license.
See all features and more details of MultiPowUpload Flash control at our website.

Use Ctrl and Shift keys or Ctrl+A hot key for multiple file selection!

You need at least 8 version of Flash player. Download last version here
Notes!
1. For HTTPS (SSL) support "uploadUrl" parameter of Flash should be like http://www.yourserver.com:443/Multiplefilesupload.aspx
2. See some known bugs and limitations here
Other examples

Used files: Bin\Element-IT.PowUpload.dll, Web.Config, FlashMultiUpload.htm, Multiplefilesupload.aspx, ElementITMultiPowUpload1.6.swf, Styles.css [Optional]