RachelRachel 133k6767 gold badges315315 silver badges510510 bronze badges 2 3 Rachel, you happen to be a gorgeous genius!!! And that i am an idiot. Thanks a lot of for the solution. I had been binding to self and didn't have a 'ConfigurationModel' property in my IncrementingTextBox class. 0 and higher) https://centralpark104gurgaon.art.blog/