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procedure TForm1.leijiajg2;
var s:integer;
begin
with DataModule2.adoquery1 do
begin
close;
sql.Clear;
sql.Add('SELECT sum( `age` ) FROM `xdf_list`') ;
open;
end;
end;
procedure TForm1.leijiajg2;
var s:integer;
begin
with DataModule2.adoquery1 do
begin
close;
sql.Clear;
sql.Add('SELECT sum( `age` ) ageSum FROM `xdf_list`') ;
open;
s:=FieldByName('ageSum').AsInteger;
Close;
showmessage(inttostr(s));
end;
end;
procedure TForm1.leijiajg2;
var s:integer;
begin
with DataModule2.adoquery1 do
begin
close;
sql.Clear;
sql.Add('SELECT sum( `age` ) FROM `xdf_list`') ;
open;
s:=Fields[0].AsInteger;
showmessage(inttostr(s));
end;
end;