D dy0618 Unregistered / Unconfirmed GUEST, unregistred user! 2002-07-29 #1 TAutoIncField、TAggregateField怎么使用？
张 张剑波 Unregistered / Unconfirmed GUEST, unregistred user! 2002-08-18 #2 点击clientdataset1.Aggregates添加Aggregate 编辑expression属性,如sum(..),AVG(..),min(xx),max(..) ClientDataSet1.AggregatesActive:=true; clientdataset1.Aggregates[0].active:=true;
点击clientdataset1.Aggregates添加Aggregate 编辑expression属性,如sum(..),AVG(..),min(xx),max(..) ClientDataSet1.AggregatesActive:=true; clientdataset1.Aggregates[0].active:=true;
