WPF Binding – Default value for empty string
DataTrigger is the way i do it like this: <TextBox> <TextBox.Style> <Style TargetType=”{x:Type TextBox}” BasedOn=”{StaticResource ReadOnlyTextBox}”> <Setter Property=”Text” Value=”{Binding Name}”/> <Style.Triggers> <DataTrigger Binding=”{Binding Path=Name.Length, FallbackValue=0, TargetNullValue=0}” Value=”0″> <Setter Property=”Text” Value=”{x:Static local:ApplicationLabels.NoValueMessage}”/> </DataTrigger> </Style.Triggers> </Style> </TextBox.Style> </TextBox>