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TOPIC: Maximum Date Based on Value of Another Field

Maximum Date Based on Value of Another Field 12 years 7 months ago #15021

  • IanM
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I have a guest list for a nightclub where the user must be aged 18 or over. I want to calculate the maximum date of the 'Date of Birth' field to be the date of 'Guest List Date' - 18. Is this possible?
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