RachelRachel 133k6767 gold badges315315 silver badges510510 bronze badges 2 3 Rachel, you happen to be a gorgeous genius!!! And that i am an idiot. Thank you a lot for the solution. I had been binding to self and didn't have a 'ConfigurationModel' property in my IncrementingTextBox class. If not it https://sites.google.com/view/m3m-new-project-in-gurgaon/jms-manesar