查询窗口：
unit Find_F;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Buttons, Findresult_F;

type
  TFind_Form = class(TForm)
    RadioButton1: TRadioButton;
    RadioButton3: TRadioButton;
    Label1: TLabel;
    Label2: TLabel;
    Edit_pet_name: TEdit;
    Edit_species: TEdit;
    BitBtn_OK: TBitBtn;
    BitBtn2: TBitBtn;
    procedure BitBtn_OKClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Find_Form: TFind_Form;

implementation


{$R *.dfm}

procedure TFind_Form.BitBtn_OKClick(Sender: TObject);
begin
  [color=FF0000] Findresult_Form.ShowModal;[/color]    /////我在这个unit中已经引用了下面这个unit，可是运行到这里的时候老是提示错误如附件所示。请教各位是哪里错了啊？

end;

end.

查询结果窗口：
unit Findresult_F;

interface

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

type
  TFindresult_Form = class(TForm)
    DBGrid1: TDBGrid;
    ADOQuery1: TADOQuery;
    DataSource1: TDataSource;
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Findresult_Form: TFindresult_Form;

implementation

uses Mypet_M;

{$R *.dfm}

procedure TFindresult_Form.FormCreate(Sender: TObject);
begin
  ADOQuery1.Open;
end;

procedure TFindresult_Form.FormClose(Sender: TObject;
  var Action: TCloseAction);
begin
  ADOQuery1.Close;
end;

end.