[Débutant] Model Contact probleme

Bonjour ,
Je suis tout nouveau dans le MVC et je voulais creer un modele contact suivant un site
mais le probleme c'est que le site est en c# et je code en VB (debutant aussi) et les transformateur de code ne marche pas sur cette parti du code

Code:

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using System.ComponentModel.DataAnnotations;
using System.Globalization;
namespace ContactManager.Models
{
    public class Contact
    {
        public int ContactId { get; set; }
        public string Name { get; set; }
        public string Address { get; set; }
        public string City { get; set; }
        public string State { get; set; }
        public string Zip { get; set; }
        [DataType(DataType.EmailAddress)]
        public string Email { get; set; }
    }
}

en cherchant un peu sur internet j'ai trouvé un truc mais lorsque je veux l integrer dans un controleur il me met une erreur
voila mon code

Code:

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Namespace ContactManager.Models
    Public Class Contacts
 
        Private _ContactId As Integer
        Public Overridable Property ContactId() As Integer
            Get
                Return _ContactId
            End Get
            Protected Set(ByVal value As Integer)
                _ContactId = value
            End Set
        End Property
 
        Private _Name As String
        Public Overridable Property Name() As String
            Get
                Return _Name
            End Get
            Protected Set(ByVal value As String)
                _Name = value
            End Set
        End Property
 
        Private _Address As String
        Public Overridable Property Address() As String
            Get
                Return _Address
            End Get
            Protected Set(ByVal value As String)
                _Address = value
            End Set
        End Property
 
        Private _City As String
        Public Overridable Property City() As String
            Get
                Return _City
            End Get
            Protected Set(ByVal value As String)
                _City = value
            End Set
        End Property
 
        Private _State As String
        Public Overridable Property State() As String
            Get
                Return _State
            End Get
            Protected Set(ByVal value As String)
                _State = value
            End Set
        End Property
 
        Private _Zip As String
        Public Overridable Property Zip() As String
            Get
                Return _Zip
            End Get
            Protected Set(ByVal value As String)
                _Zip = value
            End Set
        End Property
 
        Private _Email As String
        Public Overridable Property Email() As String
            Get
                Return _Email
            End Get
            Protected Set(ByVal value As String)
                _Email = value
            End Set
        End Property
    End Class
 
    ' [DataType(DataType.EmailAddress)]
End Namespace

voici l'erreur dite
http://img12.imageshack.us/img12/5082/j1p.png

Merci d'avance