Well, I'm posting here because it's a generic question. If it's in a wrong board feel free to move it :D
Lately I've been having several doubts with how fileupload control works internally. I've been trying to implement some kind of progress bar with iframes and such but I have noticed that when a local file is selected in the fileupload control and a postback occurs the file content is sent to the server wheter you choose save it or not.
I have tested this with some examples and postback time seems to be the same in both cases, and the only difference is the time the servers needs to write the file on disk through the "FileUpload.SaveAs()" method.
If this is true, it means I'm not able to get file info before postback (ie. filesize) and create a real progressbar for the uploading process instead of the writting process. Javascript does not seem to offer enough functionallity to work with files and I'm stuck to do it through co ...
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