I am trying to format a listview that is bound to a datatable of phone numbers. I would like it to be (###)-###-#### I have had no success. I have written it in xaml as follows:

<ListView Name="lstPhone" Grid.Row="5" Height="100" ItemsSource="{Binding }">
                            <ListView.View>
                                <GridView >
                                    <GridViewColumn DisplayMemberBinding="{Binding Path=PHONE,StringFormat=\{0:(###)-###-#####\}}" Width="100" Header="Number"/>
                                </GridView>
                            </ListView.View>
                        </ListView>

Because a phone number can be any string of numbers, with different formatting, I'd recommend actually making a custom IValueConverter that converts from a string to a custom class for phone numbers. This will provide a much better experience (and more control) than trying to do this with a numeric data type for phone number and a string formatter.

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Reed Copsey, Jr. - http://reedcopsey.com

What is the data type of the PHONE property?

Because a phone number can be any string of numbers, with different formatting, I'd recommend actually making a custom IValueConverter that converts from a string to a custom class for phone numbers. This will provide a much better experience (and more control) than trying to do this with a numeric data type for phone number and a string formatter.

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Reed Copsey, Jr. - http://reedcopsey.com