Загрузить информацию из текстового файла в StringGrid

unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Grids;
 
type
  TForm1 = class(TForm)
    StringGrid1: TStringGrid;
    StringGrid2: TStringGrid;
    StringGrid3: TStringGrid;
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
 
 
  private
    { Private declarations }
  public
    { Public declarations }
  end;
    type
  rabotnik=record
  Fam,Dolzhn:string[15];
    Zp,Stag:integer;
  end;
var
  Form1: TForm1;
  baza:array[1..10]of rabotnik;
  i,j,k,s,n,temp,x,y:integer;
  r:rabotnik;
  sr:real;
  f:textfile;
  line:string;
implementation
 
{$R *.dfm}
 
procedure TForm1.Button1Click(Sender: TObject);
begin
 AssignFile(f,'1.txt');
 reset(f);
 stringgrid1.colcount:=5;
 stringgrid1.rowcount:=5;
 for x := 1 to stringgrid1.colcount - 1 do
for y := 1 to stringgrid1.rowcount - 1 do
begin
readln(f, line);
stringgrid1.cells[x, y] := line;
end;
closefile(f);
 
StringGrid1.Cells[1,0]:='Фамилия';
StringGrid1.Cells[2,0]:='З/п';
StringGrid1.Cells[3,0]:='Стаж';
StringGrid1.Cells[4,0]:='Должность';
StringGrid2.Cells[1,0]:='Фамилия';
StringGrid2.Cells[2,0]:='З/п';
StringGrid2.Cells[3,0]:='Стаж';
StringGrid2.Cells[4,0]:='Должность';
end;
end.

procedure TForm1.Button1Click(Sender: TObject);
var L: TStringList;
    i: integer;
begin
 L := TStringList.Create;
 L.LoadFromFile('d:\tmp\1.txt');
 StringGrid1.RowCount := L.Count + StringGrid1.FixedRows;
 StringGrid1.Rows[0].CommaText := 'Фамилия,З/п,Стаж,Должность';
 for i := 0 to L.Count - 1 do
  StringGrid1.Rows[i + StringGrid1.FixedRows].CommaText := L.Strings[i];
 L.Free;
end;