How to consume json data in windows phone listbox

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WCF

Hi All

I developed the wcf rest service and i consumed in windows phone7.1
but my listbox was empty.

public List<Product> GetProducts()
        {
            PractiseEntities db = new PractiseEntities();
            var students = from p in db.StudentEntities select p;
            List<Product> st1 = students.ToList().ConvertAll(new Converter<StudentEntity, Product>(TranslateStudentEntityToStudent1));

            return st1;

private Product TranslateStudentEntityToStudent1(StudentEntity student)
        {
            Product p = new Product();
            p.ProductID = student.ID;
            p.ProductName = student.Name;
            p.QuantityPerUnit = student.Adress;
            p.UnitPrice = student.DOB;
            return p;

        }

Windows Phone7.1 app:

private void btn_getdata_Click(object sender, RoutedEventArgs e)
        {
            WebClient proxy1 = new WebClient();
            proxy1.DownloadStringCompleted += new DownloadStringCompletedEventHandler(proxy1_DownloadStringCompleted);
            proxy1.DownloadStringAsync(new Uri("http://localhost:49166/RestService.svc/Student"));
 }
  private void proxy1_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
        {
Stream s = new MemoryStream(Encoding.Unicode.GetBytes(e.Result));
            DataContractJsonSerializer obj = new DataContractJsonSerializer(typeof(List<Student>));
            List<Student> result = obj.ReadObject(s) as List<Student>;
            listBox2.ItemsSource = result;
        }

ListBox Height="172" Foreground="White" FontSize="25" HorizontalAlignment="Left" Margin="20,31,0,0" Name="listBox2" VerticalAlignment="Top" Width="401" >
                <ListBox.ItemTemplate>
                    <DataTemplate>
  <TextBlock Text="{Binding Adress}" FontSize="25"/>
                    </DataTemplate>
                </ListBox.ItemTemplate>
            </ListBox>