在onBeginBand:
procedure TForm1.frReport1BeginBand(Band: TfrBand);
begin
if frreport1.FindObject('memo1').Memo.Text='0' then
begin
frreport1.FindObject('memo1').Memo.Text:='';
end
else
begin
frreport1.FindObject('memo1').Memo.Text:=adoquery.fieldyname('fieldname').asstring;
end;
end;