How to validate the Date value in the text column
Hi allI entered DATE value in the element of text field (Char Data Type), now how do I validate, the entered date is valid or not.
Thanks in advance.
Well, the easiest would be to make the part of DATE data type.
Another possibility is to try to convert the value to a date in the WHEN-VALIDATE-POINT-trigger, as
DECLARE
dt DATE;
BEGIN
dt:=TO_DATE(:BLOCK.ITEM);
-- if code comes here, the date is valid
EXCEPTION
WHEN OTHERS THEN
-- seems to be no valid date
MESSAGE('Error');
RAISE FORM_TRIGGER_FAILURE;
END;
Published by: Andreas Weiden on 19.12.2010 12:23
Tags: Oracle Development
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