static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
FormBookstore f1 = new FormBookstore();
DatabasePackagingClass db = DatabasePackagingClass.instance;
db.initializeAndConnect();
Bookstore b = Bookstore.initialize(/*f1,*/ db, db);
f1.initialize(b);
Application.Run(f1);
}