In another post, I had asked:

"Once the user clicks on a row in the ListView, how do I get the key value of the customer ID they clicked on so I can call another Linq query to pull up further details or child records, etc?"

Well, I think I found it...

You need to set SelectedValuePath on the ListView to the property of the Customer ID field and then point the SelectionChanged event to a method to, where you can then read the selected Customer ID from the SelectedValue property.

It worsk at least. Maybe there's a better way?

However, how can I receive a reference to the calling ListView in the called SelectionChanged method, so that I do not have to hard-code the "lv2" object reference. That way my method could be used by other ListViews instead of being hard-coded to just the one.

XAML:

        <ListView Name="lv2" HorizontalContentAlignment="Stretch" ScrollViewer.VerticalScrollBarVisibility="Visible"
                       SelectedValuePath="custno" SelectionChanged="CustomerItemSelected">

Code-Behind:

        private void CustomerItemSelected(object sender, SelectionChangedEventArgs e)
        {
            var SelectedCustomerID=lv2.SelectedValue;

            ... more code here ...
        }