How to disable dates greater than today in a DateEdit control in an AX form?
Is possible with a date extended data type?
It is not possible to restrict date ranges on the extended data type level.
You will have to validate the entered date.
The method where to validate (preferred method first):
validateField
on tablevalidateWrite
on table (if comparing two entered dates) validate
on form fieldvalidate
on form controlAlso see method sequence.