Jun 27, 2012 Join a community of over 2. 6m developers to have your questions answered on PropertyChanged always null in whole application of UI for Silverlight General Discussions. New here? Start with our free trials. propertychangedeventhandler is null windows phone I can't figure out why the is always null. The combo boxes contain the correct data when the control loads, and the RaisePropertyChanged method is called whenever the first combo box's value is changed, which tells me that the binding is set property. What am I missing?
PropertyChanged is always null in ViewModelBase. I made a simple example to better understan the MVVM pattern. There is Employee model (with Age property) and EmployeeViewModel, which contains Employee object and changes its Age property in the following code: propertychangedeventhandler is null windows phone
PropertyChanged event handler always null in Win Phone 8 Application. To be clear, what doesn't work is that a latter call of the AddSomeThingclick () button handler will add another Thing to LotsOfThings but only the original 5 Thing objects display; nothing more, even if there are many more Thing objects present on LotsOfThings according to the debugger. PropertyChanged member for is always null. Ask Question 1. I'm When walking the code I see that handler returns null every time in the OnPropertyChanged() method. Why? I must be doing something wrong here. Connecting SQL Azure to Windows Phone 7 using WCF. 1. I am simply having a button in my mainWindow and when you press it, it should fire of an event to update a textBox, which have been bound to a specific attribute. However, even though the events gets fired of, they are always null and therefore the textBox is not updated. propertychangedeventhandler is null windows phone There is a couple of items to check for when observing the PropertyChanged event object as null. Ensure the property name passed in as an argument when raising the event actually matches the name of the property you are targeting. Jun 05, 2012 I can't figure out why the is always null. The combo boxes contain the correct data when the control loads, and the RaisePropertyChanged method is called whenever the first combo box's value is changed, which tells me that the binding is set property.