How can I access the ListViewItems of a WPF ListView?

Question

Within an event, I\'d like to put the focus on a specific TextBox within the ListViewItem\'s template. The XAML looks like this:

Answer 1

Or it can be simply done by

private void yourtextboxinWPFGrid_LostFocus(object sender, RoutedEventArgs e)
    {
       //textbox can be catched like this. 
       var textBox = ((TextBox)sender);
       EmailValidation(textBox.Text);
    }