April 4, 2013

Reading webpage contents as a string in Windows Phone 7.

Hello all….

I am new to Windows Phone 7. So I am starting by posting a simple tutorial Here.

In this post I will try to read a webpage contents as a string and show it in a MessageBox.

Here is the complete code.

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;using System.IO;namespace PhoneApp1{public partial class MainPage : PhoneApplicationPage{public MainPage(){InitializeComponent();RequestAsync( new Uri(""), (html, exc) =>{if (exc == null){Dispatcher.BeginInvoke(() => MessageBox.Show(html));}else{// handle exception appropriately}});}public static void RequestAsync(Uri url, Action<string, Exception> callback){if (callback == null){throw new ArgumentNullException("callback");}try{var req = WebRequest.CreateHttp(url);AsyncCallback getTheResponse = ar =>{try{string responseString;var request = (HttpWebRequest)ar.AsyncState;using (var resp = (HttpWebResponse)request.EndGetResponse(ar)){using (var streamResponse = resp.GetResponseStream()){using (var streamRead = new StreamReader(streamResponse)){responseString = streamRead.ReadToEnd();Console.WriteLine(responseString);}}}callback(responseString, null);}catch (Exception ex){callback(null, ex);}};req.BeginGetResponse(getTheResponse, req);}catch (Exception ex){callback(null, ex);}}}}

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