Upload progress bar does not work. Article

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Upload progress bar does not work.

Solution for several problems with upload progress bar.


       I'm attempting to try your huge asp upload code on a Windows 2003 server in IIS5 mode and while my file uploads work, the progress bar never shows any information. It clicks w/ the refresh of the page but all all progress bars show 0 for size of files and total. Any help on this issue would be appreciated.


       I test Huge ASP upload with IIS5, IIS6 and IIS7 and I found some properties, which have impact to progress bar:

Resolution for session problems

      HTTP 1.1 specifies only two active connection per one host. So there is no free connection for progress if you use frames for upload window, or several browser windows communicating with server. You can specify another host for upload script (for example http://www.yoursite.com/upload/Upload-Progress.ASP) and http://upload.yoursite.com/upload/progress.asp for the progress window. The www.yoursite.com and upload.yoursite.com hosts should lead to the same IIS server, to the same application/virtual server.

See also

Upload - Progress bar indicator

Other links for Upload progress bar does not work. article

ScriptUtils.FAQ for Huge ASP file upload and scriptUtilities

Frequently asked questions about ScriptUtilities, Pure-ASP and Huge-ASP upload functionality.


Huge ASP upload is easy to use, hi-performance ASP file upload component with progress bar indicator. This component lets you upload multiple files with size up to 4GB to a disk or a database along with another form fields. Huge ASP file upload is a most featured upload component on a market with competitive price and a great performance . The software has also a free version of asp upload with progress, called Pure asp upload , written in plain VBS, without components (so you do not need to install anything on server). This installation package contains also ScriptUtilities library. Script Utilities lets you create hi-performance log files , works with binary data , you can download multiple files with zip/arj compression, work with INI files and much more with the ASP utility.

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