RachelRachel 133k6767 Gold badges315315 silver badges510510 bronze badges 2 three Rachel, you happen to be an attractive genius!!! And that i am an idiot. Thank you so much for the solution. I had been binding to self and didn't have a 'ConfigurationModel' property in my IncrementingTextBox class. ✦ Contemplate refactoring https://navrajinfratechprojects.fashion.blog/