I am using Pure ASP Upload 3.13 and have had a strange problem for years now but just had time to troubleshoot it. The problem is when submitting the form without attaching any files, a comma is placed in the file field. I did some testing, and it appears to happen when a combination of fields are filled in. In this particular case, I have an Employment field, a Job Title field and a website field. All are 50 character text fields. I suspect that it has to do with the URL in the website field, but the weird thing is that this problem only occurs if I fill in both the Employment field and Job Title field as well. In other words, if I only fill in the Website field, or fill in the Employment field and website field, the issue does not occur.
Any ideas what would be causing the comma to be placed in the file field and how to resolve it? This has been going on for several versions now on multiple webpages I have created. I tried URLEncode in the Website field, but that is not helping.