RachelRachel 133k6767 Gold badges315315 silver badges510510 bronze badges 2 three Rachel, you're a lovely genius!!! And I am an fool. Thank you so much for the solution. I had been binding to self and did not have a 'ConfigurationModel' property in my IncrementingTextBox course. The problem is "exactly what is https://propertygurugramindia.blogspot.com