Crystal Report Help

I've made a crystal report in vb.net 2005 in which
i've placed record number spcial field in the report. but when i go to the next invoice the records number field continues from the last item in the previous invoice like this....


invoice #1

Serial# Item Name Price
1 Item1 100
2 Item2 150
3 Item3 250


invoice #2

Serial# Item Name Price
4 Item1 100
5 Item2 150
6 Item3 250


tht's the problem i wish that in invoice #2 the serial # should be from 1 again.........

plz help me as soon as possible.......


thnx

Moved To Reporting

I usually create my own formula to count. Make it something like this

Shared NumberVar nCount;

nCount := nCount + 1;

nCount

Then put it in the Details section

I assume the invoices are separated as groups so reset the count to zero with

Shared NumberVar nCount;

If Not InRepeatedGroupHeader then
nCount := 0
else
nCount;

Hope this helps