RachelRachel 133k6767 gold badges315315 silver badges510510 bronze badges 2 three Rachel, that you are a wonderful genius!!! And that i am an fool. Thanks a lot of for the solution. I used to be binding to self and didn't have a 'ConfigurationModel' property in my IncrementingTextBox course. @Kent points out https://newcommercialpropertygurgaon.blogspot.com