difference between at new and on change of
pl its urgent
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Answer Posted / moazam khan
1.It can be used in any loop construct, not just loop at.
For example, it can be used within select and endselect, do
and enddo, or while and endwhile, as well as inside get events.
2. A single on change of can be triggered by a change within
one or more fields named after of and separated by or. These
fields can be elementary fields or field strings. If you are
within a loop, these fields do not have to belong to the loop.
3.When used within a loop, a change in a field to the left
of the control level does not trigger a control break.
4.When used within a loop, fields to the right still contain
their original values; they are not changed to contain zeros
or asterisks.
5.You can use else between on change of and endon.
6.You can use it with loop at it where . . ..
7. You can use sum with on change of. It sums all numeric
fields except the one(s) named after of.
8.Any values changed within on change of remain changed
after endon. The contents of the header line are not
restored as they are for at and endat
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