Answer / abhinesh mishra

Dear tarun let me correct u.

at last is used for calculating grand total
and for printing footers,
and at end of is used for caculating
sum.

if u r confused then dont post the answers here as ur
answers can spoil the carrier of freshers.

Answer / smart varghese

AT FIRST - trigered when the loop exectutes for the 1st time
AT NEW <field> - trigered when the a new value is to the
field.
AT END OF <field> -trigered when the last occurance of the
value for the <field>.
AT LAST - trigered at last of the loop.
ON CHANGE OF - some what similiar to AT NEW.

Answer / tarun

same as previous answer but, at last is used for caculating
sum,
and at end of for calculating grand total

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