public void DeleteBulletin(object sender, EventArgs e)
 {
     _View.Message = "";
     try
     {
         foreach (Appendix appendix in _BulletinBll.GetAppendixByBulletinID(_View.BulletinID, LoginUser))
         {
             if (File.Exists(appendix.Directory))
             {
                 File.Delete(appendix.Directory);
             }
         }
         _BulletinBll.DeleteBulletin(_View.BulletinID, LoginUser);
         SearchBulletin(null, EventArgs.Empty);
     }
     catch (ApplicationException ex)
     {
         _View.Message = ex.Message;
     }
 }
 public void ReBindAppendix()
 {
     _View.AppendixList = _BulletinBll.GetAppendixByBulletinID(_View.BulletinID, LoginUser);
     FindAppendixInDirectory();
 }