RachelRachel 133k6767 gold badges315315 silver badges510510 bronze badges two 3 Rachel, you are a gorgeous genius!!! And that i am an fool. Thanks a great deal for the solution. I used to be binding to self and didn't have a 'ConfigurationModel' property in my IncrementingTextBox class. Names are improved at https://elancommercials106.blogspot.com/2025/06/ganga-realty-liv-89-ushers-in-elegant.html