public DataTypeManager(UnitOfWorkManager unitOfWorkManager)
        {
            if (unitOfWorkManager == null)
            {
                throw new ArgumentNullException("unitOfWorkManager");
            }

            this.unitOfWorkManager = unitOfWorkManager;
            dataTypeRepository     = new DataTypeRepostiory(this.unitOfWorkManager.UnitOfWork);
        }
 public DataTypeManager()
 {
     unitOfWorkManager  = new UnitOfWorkManager();
     dataTypeRepository = new DataTypeRepostiory(unitOfWorkManager.UnitOfWork);
 }