we created one item let Itm001 managed by sno.
then in inventrory transaction
>>initial quantities>>let the item initial quantity entered be 10 and price is 100.
item is managed by sno. so 10 Sno are generated.
we have one UDF metergrade ,against each Sno. we are entering metergrade suppose 50.
I want the sum of meterGrade against that particular item.