public static DAL.App.DTO.UserOnAddress MapFromBLL(BLL.App.DTO.UserOnAddress userOnAddress) { var res = userOnAddress == null ? null : new DAL.App.DTO.UserOnAddress { Id = userOnAddress.Id, Start = userOnAddress.Start, End = userOnAddress.End, AddressId = userOnAddress.AddressId, AppUserId = userOnAddress.AppUserId, Address = AddressMapper.MapFromBLL(userOnAddress.Address), AppUser = AppUserMapper.MapFromBLL(userOnAddress.AppUser) }; return(res); }