Would it be possible to upload large files to the server using ajax,
and show the upload progress,
Comments: I'm not sure what kind of progress or analysis has been done on this issue. Here is an example of a jQuery plugin that accomplishes much of what is requested: http://blueimp.github.com/jQuery-File-Upload/ The main drawback to using the jQuery plugin is that you have to write an custom handler to process the incoming files, but I imagine this sort of thing could be encapsulated within the AsynchFileUpload control.
and show the upload progress,
Comments: I'm not sure what kind of progress or analysis has been done on this issue. Here is an example of a jQuery plugin that accomplishes much of what is requested: http://blueimp.github.com/jQuery-File-Upload/ The main drawback to using the jQuery plugin is that you have to write an custom handler to process the incoming files, but I imagine this sort of thing could be encapsulated within the AsynchFileUpload control.