取控键

for i:=1 to 10 do
begin
ADOQuery1.SQL.text:='select TiMu from TiMuBiao where TiHao=:A';
ADOQuery1.Parameters.ParamByName('A').Value :=i;
ADOQuery1.Open;
lable[i].Caption:=ADOQuery1.FieldByName('TiMu').AsString;
ADOQuery1.close;
end;

那个lable[i]该用什么表示?