A.Docmd OpenForm B.Docmd OpenQuery C.OpenForm D.OpenQuery
A.計(jì)算所有指定字段值的累加和 B.計(jì)算全部數(shù)值型字段的累加和 C.計(jì)算一條記錄中數(shù)值型字段的累加和 D.計(jì)算一條記錄中指定字段的累加和