Using a WebClient to Download Resources on Demand

    

<UserControl x:Class='SilverlightApplication3.MainPage'
    xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' 
    xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
    xmlns:d='http://schemas.microsoft.com/expression/blend/2008' 
    xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' 
    mc:Ignorable='d' 
    d:DesignWidth='640' 
    d:DesignHeight='480'>
    <Grid x:Name="LayoutRoot" Background="White">
        <ScrollViewer HorizontalScrollBarVisibility="Auto">
             <TextBlock x:Name="downloadText"/>
        </ScrollViewer>
        <Button x:Name="downloadBtn" Content="Download Dynamic Content"/>
    </Grid>
</UserControl>
//File:Page.xaml.cs

using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;

using System.Net;

namespace SilverlightApplication3
{
    public partial class MainPage : UserControl{
        public MainPage(){
            InitializeComponent();

            downloadBtn.Click += new RoutedEventHandler(doGetContent);
         }

        void doGetContent(object sender, RoutedEventArgs e){
            string filename = "readme.txt";
            WebClient client = new WebClient();
            client.DownloadStringCompleted += new DownloadStringCompletedEventHandler(doDownloadCompleted);
            client.DownloadStringAsync(new Uri(filename, UriKind.Relative));
         }
        void doDownloadCompleted(object sender,
                                 DownloadStringCompletedEventArgs e)
         {
            downloadText.Text = e.Result;
         }
     }
}

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Using a WebClient to Download Resources on Demand : WebClient « Communication « Silverlight

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