Лабораторная работа: Изучение работы с файлами на языке Delphi

unit Unit1;

interface

uses

Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

Dialogs, StdCtrls, Grids, Buttons;

type

s30=string[30];

P = record

tovar: string[30];

money: integer;

kol: integer;

itogo: integer;

end;

TForm1 = class(TForm)

StringGrid1: TStringGrid;

Button1: TButton;

Button2: TButton;

Edit1: TEdit;

Label1: TLabel;

Button3: TButton;

Edit2: TEdit;

Label2: TLabel;

BitBtn1: TBitBtn;

Edit3: TEdit;

Button4: TButton;

Button5: TButton;

Edit4: TEdit;

procedure Button2Click(Sender: TObject);

procedure Button1Click(Sender: TObject);