Do you know , within XAML element of you C# WPF application , the binded data can be formated using string format. For a date field you can use the following style
<TextBlock x:Name="tbl_fy" Text="{Binding [0].f_date1,
StringFormat={}{0:MMM/dd/yyyy}}" Foreground="Beige"
FontSize="14" Width="119"/>
