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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.

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.

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    How to Lock a Field When the Correct Answer is Given?

    Asked by TauntonCAB on February 26, 2016 at 06:01 AM


    Thank you so much for this information. 

    I've added those conditions (only on the 1st question) that were specified in that self-help guide however it still lets you change the answer you've given - I am so sorry. Please let me know where I am going wrong.

    I look forward to hearing from you.


    Apologies I haven't been able to update the previous ticket I raised as it kept throwing up an error. 

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    JotForm Developer

    Answered by mert on February 26, 2016 at 09:17 AM

    Hi Jenna,

    To overcome that issue, you need to use the "Enable/Require a Field" condition in addition to the previous ones and the setup of the condition need to be look like the following:


    Please, try this one and let us know the results.