unit Unit4;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls, DBCtrls, Grids, DBGrids, DB, ADODB;

type
  TForm4 = class(TForm)
    ADOConnection1: TADOConnection;
    ADODataSet1: TADODataSet;
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    DBNavigator1: TDBNavigator;
    Label1: TLabel;
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form4: TForm4;

implementation

uses Unit1, Unit2, Unit3, Unit5, Unit6, Unit7, Unit8;

{$R *.dfm}

procedure TForm4.Button1Click(Sender: TObject);
begin
        form4.Hide;
        form1.show;
end;

procedure TForm4.Button2Click(Sender: TObject);
begin
      form4.close;
      form2.close;
      form3.close;
      form1.close;
      form5.close;
      form6.close;
      form7.close;
      form8.Close;
end;

end.