RecType:1 and Step:1 ----------- 1-1-100 1-1-200 ----------- Sum : 300 RecType:1 and step:2 ----------- 1-2-400 ----------- Sum : 400 RecType:2 and Step:1 ----------- 2-1-300 ----------- Sum : 300 RecType:2 and Step:2 ----------- 2-2-500 ----------- Sum : 500I put RecType in DataGrouping, Group expression but i don't know how add Step to it.