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difference between at new and on change of
pl its urgent
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Answer Posted / balakrishna
When we use At new for a field, it will trigger whenever
there is any change in al lthe fields from the left to that
of the particular field. But when we use On change of it
triggers only when there is any change in the particular
field.
At new can only be used inside loop. On change of can used
outside the loop.
No logical Expressions can be added with at new. Logical
expressions like AND OR can be used with on change of.
When AT NEW occurs, the alpha-numeric fields have * in
their value,where as in case of On Change, the alphanumeric
fields have their Corresponding value, of that particular
record, where the Event gets fired.
On Change of executes for the first value of field too,
this is not the case with At New.
On change of cannot be used in ABAP objects At new can be
used in this
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