with adoquery1 do
begin
active:=false;
sql.clear;
sql.add('select * form tablename where filed1=***');
active:=True;
end;if adoquery1.recordcount>0 THen
do..
else
do..
begin
active:=false;
sql.clear;
sql.add('select * form tablename where filed1=***');
active:=True;
end;if adoquery1.recordcount>0 THen
do..
else
do..
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货