unit1.pas

来自「Welcome to the ASTA 3 Help Tutorials. Th」· PAS 代码 · 共 66 行

{*陈星佐（email_chen）2005-4-30                                            }
{*QQ:29795113                                                              }
{**************************************************************************}
unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Button1: TButton;
    Memo1: TMemo;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation
uses UnitDM;


{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
    try
      DM.ADOConnection1.Open;
    except
      ShellExecute(0, 'open', PChar('.\NorthWind.udl'), Nil, nil, SW_SHOWNORMAL);
      Application.Terminate;
    end;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  Memo1.Clear;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
   with DM.ADOConnection1 do
    begin
       ConnectionString:='FILE NAME=.\NorthWind.udl';
       try
        Open;
       except
        ShellExecute(0, 'open', PChar('.\NorthWind.udl'), Nil, nil, SW_SHOWNORMAL);
        Application.Terminate;
       end;
    end;
end;

end.