RachelRachel 133k6767 gold badges315315 silver badges510510 bronze badges two three Rachel, you happen to be a good looking genius!!! And that i am an fool. Thank you a lot of for the answer. I had been binding to self and didn't have a 'ConfigurationModel' property in my IncrementingTextBox class. In https://m3mjewelmgroadgurgaon.blogspot.com