private void ValidateData(User user) { Requirement.MinLength(2, user.FirstName, "FirstName"); Requirement.MaxLength(50, user.FirstName, "FirstName"); Requirement.MinLength(2, user.LastName, "LastName"); Requirement.MaxLength(50, user.LastName, "LastName"); Requirement.MinLength(2, user.Address, "Address"); Requirement.MaxLength(50, user.Address, "Address"); Requirement.Email(user.Email, "Email"); Requirement.DanishPhoneNumber(user.PhoneNumber, "PhoneNumber"); Requirement.MinLength(8, user.Password, "Password"); user.Password = Cryptography.Encrypt(user.Password); }