IsValidDate
STD.Date.IsValidDate
STD.Date.IsValidDate
Date.IsValidDate
IsValidDate
( date ,
[yearLowerBound],[yearUpperBound]
)
date
A date value in the Date_t format.
yearLowerBound
The minimum acceptable year. Optional; defaults to
1800.
yearUpperBound
The maximum acceptable year. Optional; defaults to
2100.
Return:
IsValidDateYear returns a BOOLEAN value.
The IsValidDate function returns TRUE
if the date is valid, both by range-checking the year and by validating each
of the other individual components.
Example:
IMPORT STD;
d1 := 19631122;
d2 := 19990230;
firstTest := STD.Date.IsValidDate(d1); //d1 is valid
secondTest := STD.Date.IsValidDate(d2); //d2 is not valid