Retourner plusieures variables webservice

'Dans ta methode
<System.Web.Services.WebMethod()>
    Public Function connexion(ByVal login As String, ByVal pass As String) As Personne
       
        Dim cnx As New SqlConnection
        cnx = New SqlConnection(ConfigurationManager.ConnectionStrings("testConnectionString").ConnectionString)
        cnx.Open()
        Dim cmd As New SqlCommand
        dim personne as new Personne()
        cmd.Connection = cnx
        cmd.CommandText = "SELECT nom, prenom FROM utilisateur WHERE login='" & login & "' AND pass='" & pass & "'"
        Dim dr As SqlDataReader
        dr = cmd.ExecuteReader
        If dr.HasRows Then
            dr.Read()
            personne.Nom = dr.Item("nom").ToString
            personne.Prenom = dr.Item("prenom").ToString
        Else
            retour.Nom = "saisie incorrecte"
        End If
        Return personne

    End Function

'dans une classe du meme namspace
Public Class Personne

    Private _Nom As String
    Private _Prenom As String


#Region "Liste Propriétés de la Classe"
    Public Property Nom() As String
        Get
            Return _Nom
        End Get
        Set(ByVal Value As String)
            _Nom = Value
        End Set
    End Property

    Public Property Nom() As String
        Get
            Return _Prenom 
        End Get
        Set(ByVal Value As String)
            _Prenom = Value
        End Set
    End Property