What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.

At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.

We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.


  • Profile Image

    Is it possible in the conditions field to havea product title set to its UPC number and if its not the user can't continue to submit the form?

    Asked by Brandon09 on November 11, 2010 at 10:37 AM
  • Profile Image
    JotForm Founder

    Answered by aytekin on November 12, 2010 at 03:40 AM

    You can check if a field is entered and then disable the submit button if it is left empty.

    I created a test form to show how it would work:

    https://www.jotform.com/form/3153544255?

    Here is the condition I set: