<Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0"><Button Content="Navigate to Page 2" Height="72" HorizontalAlignment="Left" Margin="83,82,0,0" Name="buttonNavigate" VerticalAlignment="Top" Width="281" Click="buttonNavigate_Click" /></Grid>

        <Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0"><TextBlock Height="33" HorizontalAlignment="Left" Margin="36,87,0,0" Name="textBlockFrom" Text="" VerticalAlignment="Top" Width="390" /></Grid>

using Microsoft.Phone.Notification;
using System.Text;

        public MainPage(){/// Holds the push channel that is created or found.HttpNotificationChannel pushChannel;// The name of our push channel.string channelName = "ToastSampleChannel";InitializeComponent();// Try to find the push channel.pushChannel = HttpNotificationChannel.Find(channelName);// If the channel was not found, then create a new connection to the push service.if (pushChannel == null){pushChannel = new HttpNotificationChannel(channelName);// Register for all the events before attempting to open the channel.pushChannel.ChannelUriUpdated += new EventHandler<NotificationChannelUriEventArgs>(PushChannel_ChannelUriUpdated);pushChannel.ErrorOccurred += new EventHandler<NotificationChannelErrorEventArgs>(PushChannel_ErrorOccurred);// Register for this notification only if you need to receive the notifications while your application is running.pushChannel.ShellToastNotificationReceived += new EventHandler<NotificationEventArgs>(PushChannel_ShellToastNotificationReceived);pushChannel.Open();// Bind this new channel for toast events.pushChannel.BindToShellToast();}else{// The channel was already open, so just register for all the events.pushChannel.ChannelUriUpdated += new EventHandler<NotificationChannelUriEventArgs>(PushChannel_ChannelUriUpdated);pushChannel.ErrorOccurred += new EventHandler<NotificationChannelErrorEventArgs>(PushChannel_ErrorOccurred);// Register for this notification only if you need to receive the notifications while your application is running.pushChannel.ShellToastNotificationReceived += new EventHandler<NotificationEventArgs>(PushChannel_ShellToastNotificationReceived);// Display the URI for testing purposes. Normally, the URI would be passed back to your web service at this point.System.Diagnostics.Debug.WriteLine(pushChannel.ChannelUri.ToString());MessageBox.Show(String.Format("Channel Uri is {0}",pushChannel.ChannelUri.ToString()));}}

        private void buttonNavigate_Click(object sender, RoutedEventArgs e){this.NavigationService.Navigate(new Uri("/Page2.xaml?NavigatedFrom=Main Page", UriKind.Relative));}

        void PushChannel_ChannelUriUpdated(object sender, NotificationChannelUriEventArgs e){Dispatcher.BeginInvoke(() =>{// Display the new URI for testing purposes.   Normally, the URI would be passed back to your web service at this point.System.Diagnostics.Debug.WriteLine(e.ChannelUri.ToString());MessageBox.Show(String.Format("Channel Uri is {0}",e.ChannelUri.ToString()));});}

        void PushChannel_ErrorOccurred(object sender, NotificationChannelErrorEventArgs e){// Error handling logic for your particular application would be here.Dispatcher.BeginInvoke(() =>MessageBox.Show(String.Format("A push notification {0} error occurred.  {1} ({2}) {3}",e.ErrorType, e.Message, e.ErrorCode, e.ErrorAdditionalData)));}

        void PushChannel_ShellToastNotificationReceived(object sender, NotificationEventArgs e){StringBuilder message = new StringBuilder();string relativeUri = string.Empty;message.AppendFormat("Received Toast {0}:\n", DateTime.Now.ToShortTimeString());// Parse out the information that was part of the message.foreach (string key in e.Collection.Keys){message.AppendFormat("{0}: {1}\n", key, e.Collection[key]);if (string.Compare(key,"wp:Param",System.Globalization.CultureInfo.InvariantCulture,System.Globalization.CompareOptions.IgnoreCase) == 0){relativeUri = e.Collection[key];}}// Display a dialog of all the fields in the toast.Dispatcher.BeginInvoke(() => MessageBox.Show(message.ToString()));}

        protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e){base.OnNavigatedTo(e);//  If we navigated to this page// from the MainPage, the DefaultTitle parameter will be "FromMain".  If we navigated here// when the secondary Tile was tapped, the parameter will be "FromTile".textBlockFrom.Text = "Navigated here from " + this.NavigationContext.QueryString["NavigatedFrom"];}

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="SendToast.aspx.cs" Inherits="SendToast.SendToast" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server"><title></title>
</head>
<body><form id="form1" runat="server"><div><br />Enter URI:</div><asp:TextBox ID="TextBoxUri" runat="server" Width="666px"></asp:TextBox><br /><br />Enter Title:<br /><asp:TextBox ID="TextBoxTitle" runat="server"></asp:TextBox><br /><br />Enter Subtitle:<br /><asp:TextBox ID="TextBoxSubTitle" runat="server"></asp:TextBox><br /><br /><br /><asp:Button ID="ButtonSendToast" runat="server" onclick="ButtonSendToast_Click" Text="Send Toast Notification" /><br /><br />Response:<br /><asp:TextBox ID="TextBoxResponse" runat="server" Height="78px" Width="199px"></asp:TextBox></form>
</body>
</html>

using System.Net;
using System.IO;
using System.Text;

        protected void ButtonSendToast_Click(object sender, EventArgs e){try{// Get the URI that the Microsoft Push Notification Service returns to the push client when creating a notification channel.// Normally, a web service would listen for URIs coming from the web client and maintain a list of URIs to send// notifications out to.string subscriptionUri = TextBoxUri.Text.ToString();HttpWebRequest sendNotificationRequest = (HttpWebRequest)WebRequest.Create(subscriptionUri);// Create an HTTPWebRequest that posts the toast notification to the Microsoft Push Notification Service.// HTTP POST is the only method allowed to send the notification.sendNotificationRequest.Method = "POST";// The optional custom header X-MessageID uniquely identifies a notification message. // If it is present, the same value is returned in the notification response. It must be a string that contains a UUID.// sendNotificationRequest.Headers.Add("X-MessageID", "<UUID>");// Create the toast message.string toastMessage = "<?xml version=\"1.0\" encoding=\"utf-8\"?>" +"<wp:Notification xmlns:wp=\"WPNotification\">" +"<wp:Toast>" +"<wp:Text1>" + TextBoxTitle.Text.ToString() + "</wp:Text1>" +"<wp:Text2>" + TextBoxSubTitle.Text.ToString() + "</wp:Text2>" +"<wp:Param>/Page2.xaml?NavigatedFrom=Toast Notification</wp:Param>" +"</wp:Toast> " +"</wp:Notification>";// Set the notification payload to send.byte[] notificationMessage = Encoding.Default.GetBytes(toastMessage);// Set the web request content length.sendNotificationRequest.ContentLength = notificationMessage.Length;sendNotificationRequest.ContentType = "text/xml";sendNotificationRequest.Headers.Add("X-WindowsPhone-Target", "toast");sendNotificationRequest.Headers.Add("X-NotificationClass", "2");using (Stream requestStream = sendNotificationRequest.GetRequestStream()){requestStream.Write(notificationMessage, 0, notificationMessage.Length);}// Send the notification and get the response.HttpWebResponse response = (HttpWebResponse)sendNotificationRequest.GetResponse();string notificationStatus = response.Headers["X-NotificationStatus"];string notificationChannelStatus = response.Headers["X-SubscriptionStatus"];string deviceConnectionStatus = response.Headers["X-DeviceConnectionStatus"];// Display the response from the Microsoft Push Notification Service.  // Normally, error handling code would be here. In the real world, because data connections are not always available,// notifications may need to be throttled back if the device cannot be reached.TextBoxResponse.Text = notificationStatus + " | " + deviceConnectionStatus + " | " + notificationChannelStatus; }catch (Exception ex){TextBoxResponse.Text = "Exception caught sending update: " + ex.ToString();}}