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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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    How to prevent that same date and time is selected twice?

    Asked by MoriahLeFebvre on February 21, 2017 at 02:14 PM

    I created this form-- https://form.jotform.com/70508642566157 -- and book myself an appointment at 12 when I would be taking my lunch, and then tried booking another session as someone else at the same time just to make sure it wouldn't let me go that... But it did let me do that unfortunately.

    And also, I don't receive any email notifications when people sign up as the creator of the form. I obviously did something wrong :/ Help?
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    JotForm Support

    Answered by BJoanna on February 21, 2017 at 03:11 PM

    I have inspected your form and you are using  DateTime field. It is not possible to prevent that same date and time is selected by multiple users when using this field. 

    This can only be achieved with widgets like:

    Appointment Slots

    Ticket Purchases

    Gift Registry

    You will have to set date/time and available slots to one. This way only one user will be able to select one option.

    How to Add a Widget to your Form?

    I have moved your issue to separate thread and we will provide you an answer there shortly.