public static TimeRegistrationRecord ToEntity(this TimeRegistrationDto dto)
        {
            if (dto == null) return null;

            var entity = new TimeRegistrationRecord();

            entity.Id = dto.key;
            entity.MainId = dto.mainId;
            entity.Date = dto.date;
            entity.Value =  dto.value;

            dto.OnEntity(entity);

            return entity;
        }
 static partial void OnEntity(this TimeRegistrationDto dto, TimeRegistrationRecord entity);