Contact Manager Web API

This sample uses ASP.NET Web API to build a simple contact manager application. The application consists of a contact manager web API that is used by an ASP.NET MVC application, a Windows Phone application, and a Windows 8 app to display and manage a list of contacts.

C# (1.9 MB)
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;

namespace ContactManager.Phone
    public partial class MainPage : PhoneApplicationPage
        // Constructor
        public MainPage()

            // Set the data context of the listbox control to the sample data
            DataContext = App.ViewModel;
            this.Loaded += new RoutedEventHandler(MainPage_Loaded);

        // Handle selection changed on ListBox
        private void MainListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
            // If selected index is -1 (no selection) do nothing
            if (MainListBox.SelectedIndex == -1)

            // Navigate to the new page
            NavigationService.Navigate(new Uri("/DetailsPage.xaml?selectedItem=" + MainListBox.SelectedIndex, UriKind.Relative));

            // Reset selected index to -1 (no selection)
            MainListBox.SelectedIndex = -1;

        // Load data for the ViewModel Items
        private void MainPage_Loaded(object sender, RoutedEventArgs e)
            if (!App.ViewModel.IsDataLoaded)