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Using XmlReader and XmlWriter

<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="LightGray">         <TextBox x:Name = "NameText" Text="Full Name"/>         <TextBox x:Name = "PhoneText" Text="Phone Number"/>         <StackPanel Orientation="Horizontal">             <RadioButton x:Name="HomeBtn" Content="Home" />             <RadioButton x:Name="OfficeBtn" Content="Office" />             <RadioButton x:Name="CellBtn" Content="Cell" />         </StackPanel>         <Button x:Name="XMLWriteBtn" Content="Write XML"/>         <Button x:Name="XMLReadBtn" Content="Read XML"/>         <ScrollViewer Background="White">             <TextBlock x:Name="myText" Margin="5"/>         </ScrollViewer>     </Grid> </UserControl> //File:Page.xaml.cs   using System;   using System.Windows;   using System.Windows.Controls;   using System.Windows.Documents;   using System.Xml;   using System.IO;   using System.Text;   namespace SilverlightApplication3   {        public partial class MainPage : UserControl        {            public MainPage()            {                InitializeComponent();                XMLWriteBtn.Click += new RoutedEventHandler(doWrite);                XMLReadBtn.Click += new RoutedEventHandler(doRead);            }           void doWrite(object sender, RoutedEventArgs e)           {               StringBuilder xmlData = new StringBuilder();               XmlWriterSettings wSettings = new XmlWriterSettings();               wSettings.Indent = true;               XmlWriter writer = XmlWriter.Create(xmlData, wSettings);               writer.WriteStartElement("Contact");               writer.WriteStartElement("FullName");               writer.WriteString(NameText.Text);               writer.WriteEndElement();               writer.WriteStartElement("Phone");               writer.WriteStartAttribute("Type");               if((bool)HomeBtn.IsChecked)                  writer.WriteString("Home");               else if ((bool)OfficeBtn.IsChecked)                  writer.WriteString("Office");               else if ((bool)CellBtn.IsChecked)                 writer.WriteString("Cell");               writer.WriteEndAttribute();               writer.WriteString(PhoneText.Text);               writer.WriteEndElement();               writer.Close();               myText.Text = xmlData.ToString();          }           void doRead(object sender, RoutedEventArgs e)           {               StringBuilder textData = new StringBuilder();               StringReader sReader = new StringReader(myText.Text);               XmlReader reader = XmlReader.Create(sReader);               while (reader.Read())               {                  switch (reader.NodeType)                  {                      case XmlNodeType.Element:                         textData.Append("Element: " + reader.Name);                         if (reader.Name == "Phone"){                             string type = reader.GetAttribute("Type");                             textData.Append("Attribute: Type = " + type);                          }                          break;                      case XmlNodeType.Text:                          textData.Append("Value: " + reader.Value);                          break;                      case XmlNodeType.XmlDeclaration:                          textData.Append("Declaration Name: " + reader.Name);                          textData.Append("Declaration Value: " + reader.Value);                          break;                      case XmlNodeType.EndElement:                          break;                    }                 }                 reader.Close();                 myText.Text = textData.ToString();            }       }   }