DataTemplate for binding

   
  


<Window x:Class="WpfApplication1.Window1"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  xmlns:local="clr-namespace:WpfApplication1"
  Title="Binding to a Collection"
  SizeToContent="WidthAndHeight">
  <Window.Resources>
    <local:People x:Key="MyFriends"/>
    <DataTemplate x:Key="DetailTemplate">
       <StackPanel>
          <TextBlock Text="First Name:"/>
          <TextBlock Text="{Binding Path=FirstName}"/>
          <TextBlock Text="Last Name:"/>
          <TextBlock Text="{Binding Path=LastName}"/>
      </StackPanel>
    </DataTemplate>
  </Window.Resources>
  <StackPanel>
    <TextBlock>My Friends:</TextBlock>
    <ListBox Width="200" IsSynchronizedWithCurrentItem="True"
             ItemsSource="{Binding Source={StaticResource MyFriends}}"/>
    <TextBlock>Information:</TextBlock>
    <ContentControl Content="{Binding Source={StaticResource MyFriends}}"
                    ContentTemplate="{StaticResource DetailTemplate}"/>
  </StackPanel>
</Window>
//File:Window.xaml.cs
using System;
using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Data;
using System.Windows.Media;
using System.Collections.ObjectModel;
using System.ComponentModel;
namespace WpfApplication1
{    
    public partial class Window1 : Window
    {
        public Window1()
        {
            InitializeComponent();
        }
    }
  public class Person : INotifyPropertyChanged
  {
      private string firstname;
      private string lastname;
      public event PropertyChangedEventHandler PropertyChanged;

      public Person()
      {
      }
      public Person(string first, string last)
      {
          this.firstname = first;
          this.lastname = last;
      }
      public override string ToString()
      {
          return firstname.ToString();
      }
      public string FirstName
      {
          get { return firstname; }
          set
          {
              firstname = value;
              OnPropertyChanged("FirstName");
          }
      }
      public string LastName
      {
          get { return lastname; }
          set
          {
              lastname = value;
              OnPropertyChanged("LastName");
          }
      }
      protected void OnPropertyChanged(string info)
      {
          PropertyChangedEventHandler handler = PropertyChanged;
          if (handler != null)
          {
              handler(this, new PropertyChangedEventArgs(info));
          }
      }
  }
    public class People : ObservableCollection<Person>
    {
        public People(): base()
        {
            Add(new Person("A", "Q"));
            Add(new Person("B", "E"));
            Add(new Person("C", "E"));
            Add(new Person("D", "R"));
        }
    }
}