RachelRachel 133k6767 Gold badges315315 silver badges510510 bronze badges 2 three Rachel, you will be a lovely genius!!! And that i am an fool. Thanks much for the answer. I used to be binding to self and did not have a 'ConfigurationModel' property in my IncrementingTextBox class. @property is a Instrument https://m3mscogurgaon.politics.blog/2025/06/13/ganga-realty-liv-89-a-fresh-perspective-on-modern-urban-living/