Ajax label not updating
This example stores all uploaded file in filesystem folder.You need to specify it at the beginning of script, see variables $upload_dir and $web_upload_dir.Asynchronous file uploads is quote popular feature in modern AJAX web-applications.However standard AJAX classes (Xml Http Request) does not have capabilities to process or send files selected with "file dialog" (input type="file").For all the three approaches, I have used a image to show a spinning gear kind of a progress bar while the Update Panel is performing some action.The image can be found with the source code for this article over here.The Page Request Manager class handles the partial-page updates of the Update Panel.
There is fail-checking which checks whether it is possible to write create files in upload directory.
We use following functions in this example: PHP, &) with entities (<, > and &).
This article contains example application (trivial file-sharing service, like rapidshare, megaupload or yousendit) which uses embedded frames (IFRAME) to upload file.
While file is uploaded to hidden frame, user can still access web-page and fill "file description" field.
See Core Java Script Reference and Core Java Script Guide if something is unclear with Java Script code.2006-12-08: Updated by Patrick from Rome request: POST form refreshing is fixed (additional GET redirect, storing result message in a cookie)// Directory for file storing // Web-Server dir /* upload_dir is filesystem path, something like /var/www/htdocs/files/upload or c:/www/files/upload web upload dir, is the webserver path of the same directory.
In this article, we will study three different techniques that allow you to visually display progress to users while performing partial-page updates using the Update Panel.