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Preventing date/time duplicates in a portal

bradford
in Relationships

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Imagine a portal of appointments. Imagine not wanting to book an appointment on the same day, at then same time, as another entry. Imagine a waterfall, with laptops floating downstream.

Basically I'd love there to be a "Unique" checkbox for a calculation. Instead I need help creating a relationship. That's my guess. I have searched the forum with no luck.

Mmmmmm.....laptops floating downstream....

There have been a few discussions about this in various threads in this forum. Try doing a search on "reservation system" or similar. Cobalt Sky gave a good solution for this.

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https://fmforums.com/topic/18446-preventing-datetime-duplicates-in-a-portal/
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