RADIOBUTTON PART2

XAML CODE:
<StackPanel Background="White">



Foreground="Blue" Content="C# Corner" Click="RadioButton_Click"/>
Foreground="Orange" Content="ASP Alliance" Click="RadioButton_Click"/>
Foreground="Green" Content="Code Project" Click="RadioButton_Click"/>
Foreground="Purple" Content="Code Plex" Click="RadioButton_Click"/>




CODE BEHIND:
private void RadioButton_Click(object sender, RoutedEventArgs e)
{
if (Button1.IsChecked == true)
TextBox1.Text = Button1.Content.ToString();
else if (Button2.IsChecked == true)
TextBox1.Text = Button2.Content.ToString();
else if (Button3.IsChecked == true)
TextBox1.Text = Button3.Content.ToString();
else
TextBox1.Text = Button4.Content.ToString();
}