dsum

[deen]

i have form design


reg amt amt total
1 50 10*50=500
1 100 100*50=5000
1 200 200*50=10000
2 2 2*50=100
2 3 3*50=150

need result=dsum(amttotal)15750

note: amt total display only in form not stored in table

based on reg find(change)


it have (amt total ) calculation eg:amt+50,it has display the amt
total(display only in form)total is not stored in table we need to
dsum this amt total how is it possible.