Hi Stephen,
From: "Stephen Howard" <step...@enterity.com>
I believe your problem lies in the browser itself. I know, for example,
that browsers do not send empty values for checkboxes that remain
unchecked - they simply eliminate that field from the form submission
altogether. Sounds like file fields might be the same way. Your best bet
is to use a bit of scripting on the browser side to mark a hidden field to
stand in for the empty file field.
- Stephen
I have verified that, and the browser sends the empty upload field, with no
content, like:
-----------------------------7da3d8a106ce
Content-Disposition: form-data; name="file"; filename=""
Content-Type: application/octet-stream
-----------------------------7da3d8a106ce
So after the MIME header there is no content, but the header with the name
of the field ("file") is sent to the server.
Octavian
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