public bool DeleteReleaseNote( ReleaseNote entity)
 {
     if (entity == null) return false;
     _unitOfWork. ReleaseNoteRepository.Delete(entity);
     _unitOfWork.Save();
     return true;
 }
 public bool EditReleaseNote( ReleaseNote entity)
 {
     _unitOfWork. ReleaseNoteRepository.Edit(entity);
     _unitOfWork.Save();
     return true;
 }