I would like display something more meaningful that animated gif while users upload file to my web application. What possibilities do I have?
Edit: I am using .
A good example of doing this without using Ajax is given at CodeProject by Nilesh Thakkar.
jQuery UI Progressbar - http://jqueryui.com/demos/progressbar/
Here are a couple of versions of what you're looking for for some common JavaScript toolkits.
Some good .NET-specific help for doing progress bars can be found in Dino Esposito's MSDN Magazine articles from last July and August:
Context-Sensitive Feedback with AJAX (July '07)
Canceling Server Tasks with ASP.NET AJAX (August '07)
I've tried various techniques and had most success with SWFUpload.
You create and interact with an SWFUpload object using Javascript, but uses a (hidden) Flash file for file selection, uploading and upload progress monitoring. You can specify a wide range of Javascript event handlers (uploadStarted
, uploadProgress
, uploadError
etc.) that the Flash will call during the upload progress making it very flexible. It also implements a file queue, so it works well for single or multiple files.
Links:
ASP.NET File Upload with Real-Time Progress Bar
http://mattberseth.com/blog/2008/07/aspnet_file_upload_with_realti_1.html