Вот реально работающий пример на Delphi 7:unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, Grids, DBGrids, DB, DBTables, StdCtrls;type TForm1 = class(TForm) Button2: TButton; Query1: TQuery; DataSource1: TDataSource; DBGrid1: TDBGrid; Label1: TLabel; procedure Button2Click(Sender: TObject); procedure FormClose(Sender: TObject; var Action: TCloseAction); private { Private declarations } public { Public declarations } end;var Form1: TForm1;implementation{$R *.dfm}procedure TForm1.Button2Click(Sender: TObject);begin Query1.SQL.Clear; Query1.SQL.Add(‘select sum(СУММА) FROM LOTTERY.DB‘); Query1.Open; Label1.Caption:=Query1.Fields[0].AsString;end;procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);begin Query1.Close;end;end.Для sir henry.Вы свой примерчик опробовали Сами?