<UserControl x:Class="SilverlightApplication14.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:DesignHeight="300" d:DesignWidth="400">
    <Grid x:Name="LayoutRoot" Background="White">
   <ListBox x:Name="EmployeeList" Width="400" Height="200" 
SelectionChanged="EmployeeList_SelectionChanged" />
    </Grid>
</UserControl>

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 System.Xml;

namespace SilverlightApplication14
{
   public partial class MainPage : UserControl
    {
       public MainPage()
        {
        InitializeComponent();
        PopulateEmployeeList();
        }
        private void PopulateEmployeeList()
        {
            XmlReader reader = XmlReader.Create("Employee.xml");
            reader.MoveToContent();
            while (reader.Read())
            {
                if (reader.NodeType == XmlNodeType.Element && reader.Name
 == "customer")
                {
                    EmployeeList.Items.Add(new ListBoxItem()
                    {
                     Content = reader.GetAttribute("last") +
                   ", " + reader.GetAttribute("first") + " (" + reader.ReadInnerXml() + ")"
                    });
                }
                if (reader.NodeType == XmlNodeType.EndElement && reader.Name ==
 "Employee")
                {
                    break;
                }
            }
            reader.Close();
        }
    }
}