RachelRachel 133k6767 gold badges315315 silver badges510510 bronze badges 2 3 Rachel, you happen to be an attractive genius!!! And I am an fool. Thank you a great deal of for the solution. I had been binding to self and did not have a 'ConfigurationModel' property in my IncrementingTextBox class. But https://m3msector111dwarkaexpressway.blogspot.com