unit4.pas

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unit Unit4;

interface

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

type
  TForm4 = class(TForm)
    GroupBox1: TGroupBox;
    GroupBox2: TGroupBox;
    DBGrid1: TDBGrid;
    DataSource1: TDataSource;
    a2: TADOQuery;
    Label1: TLabel;
    Label2: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    procedure Button4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form4: TForm4;

implementation

{$R *.dfm}

procedure TForm4.Button4Click(Sender: TObject);
begin
    form4.Close;
end;

end.