请教access数据库动态生成的问题

//**********************************
//程序功能：创建Access数据库和数据表
//**********************************
unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ComObj, ADODB, StdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);

  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  Path: string;
implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
  Path := ExtractFilePath(Application.ExeName);
end;

//数据库创建过程

procedure TForm1.Button1Click(Sender: TObject);
var
  CreateAccess: OleVariant;
begin
  //如果存在同名文件，则删除之
  if FileExists(Path + 'A1.mdb') then
  begin
    DeleteFile(Path + 'A1.mdb');
  end;
  CreateAccess := CreateOleObject('ADOX.Catalog');
  CreateAccess.Create(&#