When you accurate the ItemsSource with the correct price XAML will not immediately reilitialize the gathering of things. So your DataContext for "video_length_textbox" is ready to by itself, and also your IncrementingTextBox course doesn't have a public property called ConfigurationModel OldCurmudgeonOldCurmudgeon 66k1818 gold badges126126 silver badges220220 bronze badges eight one https://maxestates360brochure.blogspot.com/2025/07/live-spaciously-in-gurgaon-ganga-realty.html