DataGridHyperlinkColumn Class

<NavigationWindow x:Class="DataGrid_CustomColumns.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:core="clr-namespace:System;assembly=mscorlib"
    xmlns:local="clr-namespace:DataGrid_CustomColumns"
    Title="Customers" Height="300" Width="300" ShowsNavigationUI="False"  >

<NavigationWindow.Resources>


...


    <!--Create an instance of the converter for Email-->
    <local:EmailConverter x:Key="EmailConverter" />
</NavigationWindow.Resources>
<NavigationWindow.Content>  

<Grid>
    <DataGrid Name="DG1" ItemsSource="{Binding}" AutoGenerateColumns="False" >
        <DataGrid.Columns>


...


<!--The Email property contains a URI.  For example "mailto:lucy0@adventure-works.com"-->
<DataGridHyperlinkColumn Header="Email" Binding="{Binding Email}"  ContentBinding="{Binding Email, Converter={StaticResource EmailConverter}}" />


...


            </DataGrid.Columns>
        </DataGrid>
    </Grid>
    </NavigationWindow.Content>
</NavigationWindow>

public partial class Window1 : NavigationWindow
{


...


public Window1()
{
    InitializeComponent();

    //GetData() creates a collection of Customer data from a database
    ObservableCollection<Customer> custdata = GetData();

    //Bind the DataGrid to the customer data
    DG1.DataContext = custdata;

}


...


//Defines the customer object
public class Customer
{
    public string FirstName { get; set; }
    public string LastName { get; set; }
    public Uri Email { get; set; }
    public bool IsMember { get; set; }
    public OrderStatus Status { get; set; }

}


...


}


...


//Converts the mailto uri to a string with just the customer alias
public class EmailConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
    {
        if (value != null)
        {
            string email = value.ToString();
            int index = email.IndexOf("@");
            string alias = email.Substring(7, index-7);
            return alias;
        }
        else
        {
            string email = "";
            return email;
        }
    }

    public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
    {
        Uri email = new Uri((string)value);
        return email;
    }
}