bai1、行号不能做关键字;
du2、先排序
3、更新时,给zhi行号字段重新编号;
daoClientDataSet.First;
while not ClientDataSet.eof do
begin
ClientDataSet.edit;
ClientDataSet.FieldByName('行号字段').asInteger := ClientDataSet.RecNo;
ClientDataSet.next;
end;
bai1、行号不能做关键字;
du2、先排序
3、更新时,给zhi行号字段重新编号;
daoClientDataSet.First;
while not ClientDataSet.eof do
begin
ClientDataSet.edit;
ClientDataSet.FieldByName('行号字段').asInteger := ClientDataSet.RecNo;
ClientDataSet.next;
end;