unit Unit9;

interface

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

type
  TForm9 = class(TForm)
    Label1: TLabel;
    Button1: TButton;
    DBGrid1: TDBGrid;
    ADOQuery1: TADOQuery;
    DataSource1: TDataSource;
    Button2: TButton;
    Edit1: TEdit;
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form9: TForm9;

implementation

{$R *.dfm}

procedure TForm9.Button2Click(Sender: TObject);
begin
close
end;

procedure TForm9.Button1Click(Sender: TObject);
begin
adoquery1.Close;
adoquery1.SQL.clear;
adoquery1.SQL.Add('select * from fdy where  ??='''+edit1.text+'''');
adoquery1.open;
end;

end.