RachelRachel 133k6767 Gold badges315315 silver badges510510 bronze badges 2 three Rachel, you might be an attractive genius!!! And I am an fool. Thanks much for the answer. I used to be binding to self and didn't have a 'ConfigurationModel' property in my IncrementingTextBox class. This Site is utilizing a stability https://readytomovestudioapartmentsnoida.blogspot.com/