public bool RegisterUser(string email, string password, string DOB, string firstname, string lastname, string phone, string streetAddress, string zip, string country, string city)
 {
     var ubuoyRepository = new DataLayer.UbuoyRepository();
     var result = ubuoyRepository.RegisterUser(email, password, DOB, firstname, lastname, phone, streetAddress, zip, country, city);
     if (result > 0) return true;
     else return false;
 }
  //creates an interface of a related class
 
  public bool UserExists(string email, string password)
  {
      var repository = new DataLayer.UbuoyRepository();
      if (repository.UserExists(email, password) == 1)
      {
          return true;
      }
      return false;
  }