RachelRachel 133k6767 gold badges315315 silver badges510510 bronze badges 2 3 Rachel, you're a wonderful genius!!! And I am an fool. Thanks a great deal for the solution. I was binding to self and did not have a 'ConfigurationModel' property in my IncrementingTextBox class. @Kent points out that Properties aren't needed https://m3mprojectsindwarkaexpressway.business.blog/2025/05/14/smart-investment-and-serene-location-welcome-to-jms-manesar/