unit Udata;

interface

uses
 Windows, SysUtils, Classes, ADODB, DB;

type
  TDataModule1 = class(TDataModule)
    ADOConnection1: TADOConnection;
    procedure DataModuleCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }

  end;

var
  DataModule1: TDataModule1;
 MyPath:string;
implementation

{$R *.dfm}

procedure TDataModule1.DataModuleCreate(Sender: TObject);
begin
MyPath:=ExtractFilePath(ParamStr(0));
  ADOConnection1.ConnectionString:='Provider=Microsoft.Jet.OLEDB.4.0;Data Source='+
                                 MyPath+'data\bysj.mdb;Persist Security Info=False';
 
  try
   ADOConnection1.Open;
  except
    MessageBox(0,'無法打開數(shù)據(jù)庫','錯誤',MB_OK);
  end;
 
end;

end.