Short answer is, you can't. You dont have that kind of control over the browser.
CF should throw an error on a 0k file, and I am guessing that is the reason for your question. Just catch the error using <cftry> <cfcatch> blocks. I would suggest that you do as much of your file processing first, before you start committing data to the DB. Ric. On Jan 24, 2008 6:16 AM, Elena Aminova <[EMAIL PROTECTED]> wrote: > How do I prevent a user from uploading a zero length (empty) file on > upload? > Is there a way to know the file size before the file is actually uploaded > to the server? > Any advice, resources or tips are appreciated. > > Thanks. > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Adobe® ColdFusion® 8 software 8 is the most important and dramatic release to date Get the Free Trial http://ad.doubleclick.net/clk;160198600;22374440;w Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:297264 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4
