=Aggr(If(Rank(Sum(Volume)) <= 2,Material),Cust,MatType,Material)
QVTopN.qvw 151.8 K
thanks a lot for your answer..
Your proposal is definitely good and it would be a vaild alternative..
Do you think it's feasible to show on same line?
I wan thinking about entering Material as Expression but then no clue about how to proceed..