The wijupload widget supports batch or single uploads and has an API for displaying upload progress. Once the user selects files to upload, the markup and script below creates the following UI.
Binds value for attributes to the object. All valid attributes can be binded.
Format from Application Class:
If the binded value for this field contains a value, the object will not be rendered from the server to the client. The disable function will also disable all child objects.
The Ajax ID used in OnAjax method in the application class. The file that’s beeing uploaded will be placed in the ajax_value.