Комбинации покупок

unit Unit5;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Menus, Grids, StdCtrls;
 
type
    mass=array[1..7] of string[10];
    ff= file of mass;
  TForm5 = class(TForm)
    MainMenu1: TMainMenu;
    N1: TMenuItem;
    N2: TMenuItem;
    N3: TMenuItem;
    N4: TMenuItem;
    Edit1: TEdit;
    Button1: TButton;
    Label1: TLabel;
    s1: TStringGrid;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    Edit5: TEdit;
    Edit6: TEdit;
    Edit7: TEdit;
    N5: TMenuItem;
    Button2: TButton;
    Button3: TButton;
    procedure Button3Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure N2Click(Sender: TObject);
    procedure N3Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure N4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
 
var
  Form5: TForm5;
  f : ff;
  i : integer;
 
implementation
 
{$R *.dfm}
 
procedure TForm5.Button1Click(Sender: TObject);
begin
  i:=i+1;
  s1.Cells[0,i]:=inttostr(i);
  s1.Cells[1,i]:=edit1.Text;
  s1.Cells[2,i]:=edit2.text;
  s1.Cells[3,i]:=edit3.text;
  s1.Cells[4,i]:=edit4.text;
  s1.Cells[5,i]:=edit5.text;
  s1.Cells[6,i]:=edit6.text;
  s1.Cells[7,i]:=edit7.text;
end;
 
procedure TForm5.Button2Click(Sender: TObject);
begin
s1.RowCount:=s1.RowCount+1;
end;
 
procedure TForm5.Button3Click(Sender: TObject);
begin
s1.RowCount:=s1.RowCount-1;
end;
 
procedure TForm5.FormCreate(Sender: TObject);
begin
  assignfile(f,'baza.dat');
  i:=0;
  s1.Cells[0,0]:='№ покупки';
  s1.Cells[1,0]:='1 товар';
  s1.Cells[2,0]:='2 товар';
  s1.Cells[3,0]:='3 товар';
  s1.Cells[4,0]:='4 товар';
  s1.Cells[5,0]:='5 товар';
  s1.Cells[6,0]:='6 товар';
  s1.Cells[7,0]:='7 товар';
end;
 
procedure TForm5.N2Click(Sender: TObject);
begin
Close;
end;
 
procedure TForm5.N3Click(Sender: TObject);
var
j : integer;
m : mass;
begin
 Rewrite(f);
 for j := 1 to i do  begin
   m[1]:=s1.Cells[1,j];
   m[2]:=s1.Cells[2,j];
   m[3]:=s1.Cells[3,j];
   m[4]:=s1.Cells[4,j];
   m[5]:=s1.Cells[5,j];
   m[6]:=s1.Cells[6,j];
   m[7]:=s1.Cells[7,j];
write(f,m);
 end;
closefile(f);
 
end;
 
procedure TForm5.N4Click(Sender: TObject);
var
m : mass;
j : integer;
begin
  reset(f);
  j:=1;
  while not eof(f) do begin
    read(f,m);
    s1.Cells[0,j]:=inttostr(j);
    s1.Cells[1,j]:=m[1];
    s1.Cells[2,j]:=m[2];
    s1.Cells[3,j]:=m[3];
    s1.Cells[4,j]:=m[4];
    s1.Cells[5,j]:=m[5];
    s1.Cells[6,j]:=m[6];
    s1.Cells[7,j]:=m[7];
    j:=j+1;
  end;
closefile(f);
end;
 
end.