InitializeComponent();
       _gestaoInformacao = new Gestao_InformacaoUsersClient();

       newUser = new Utilizador { Username = "Joao" };
       _gestaoInformacao.addNovoUtilizador(newUser);

public void addNovoUtilizador(Utilizador newUser)
    {

        projectContext.Users.Add(newUser);
        projectContext.SaveChanges();
    }

public class Utilizador
{
    [DataMember]
    [Key]
    private int id_utilizador;

    [DataMember]
    private String _username;

    [DataMember]
    public String Username
    {
        get { return _username; }
        set
        {
            _username = value;
            //OnPropertyChanged("Username");
        }
    }

    [DataMember]
    private String _password;

    [DataMember]
    public String Password
    {
        get { return _password; }
        set
        {
            _password = value;
            //OnPropertyChanged("Password");
        }
    }






}