public void Save(IQuantivEntity entity)
        {
            if (!HasActiveActivity)
            {
                throw new InvalidOperationException("There must be an active activity to perform a save.");
            }

            entity.Save(CurrentActivity);
        }
 public bool TryRetrieve(string entityClassRef, int id, out IQuantivEntity entity, string retrievalPlanRef)
 {
     throw new NotImplementedException();
 }