When I click the button, I get a javascript alert: Unable to select so many files at once. The total file name length cannot exceed 32kb Strange thing is that I have not selected any files yet, because the open file dialog has not been shown yet.  This happens when I just drag a control to the page, build it and view it in the asp.net ...

I've run into a problem that appears to be a bug in the javascript that disables/enables the button to select files.  During testing, I can only reproduce the bug in Safari (v3.1.2 on Windows to be exact).  It is working just fine in Firefox 3.0.4 and IE 7.0.6.  I have the latest versions of Flash and Silverlight installed and have ...