RachelRachel 133k6767 gold badges315315 silver badges510510 bronze badges two 3 Rachel, you will be an attractive genius!!! And I am an idiot. Thanks a lot of for the answer. I was binding to self and didn't have a 'ConfigurationModel' property in my IncrementingTextBox class. 0 and better) - which happens https://elancommercialprojectsector106.blogspot.com