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

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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.

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    How can I make a text box only usable if users check off the right payment option?

    Asked by lgeorge on March 29, 2011 at 01:29 PM

    We are using the purchase order payment tool.   We have one option that requires users to check the option under payment and to fill out 2 text boxes if they want this option.  Users are filling in the text boxes but not checking it off in payment for the correct total.  I would be happy if users could only type in info if they check off the payment option or if they fill in info the payment option is automatically selected.  


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    Answered by brx250 on March 29, 2011 at 11:35 PM

    Hi there,

    Thank you for using jotform!

    In order to accomplish this, you can use conditions for your forms. You can show/hide elements only if a certain condition is met. Please check this out to get additional information:


    Hope this helps!


    Albert | JotForm Support

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    JotForm Support

    Answered by NeilVicente on March 29, 2011 at 11:49 PM


    Showing/hiding elements of your page depending on user action is easy to implement by using Conditions. To use conditions, go to Setup & Embed > Conditions, then use the Conditions Wizard to add Rules to your form.


    In your case you will need to choose Show/Hide a form field, then click Next.  In the next dialog, you can then set conditions and do the necessary action if those conditions are met.

    In this example form, I have set the field "Additional Details" to show only if any of the "Membership Options" field is checked.

    Sample Form

    For more info on Conditions, go to this page: Conditional Logic on Forms

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    Answered by lgeorge on March 30, 2011 at 08:23 PM

    Thank You so much for all your help. It was quick and easy!