public DetailsViewModel() { _selectedEmployee = new Employee(); var dataServices = new DataServices(); AddEmployeeCommand = new RelayCommand(async() => await dataServices.AddEmployeeAsync(SelectedEmployee)); EditEmployeeCommand = new RelayCommand(async() => await dataServices.EditEmployeeAsync(SelectedEmployee)); DeleteEmployeeCommand = new RelayCommand(async() => await dataServices.DeleteEmmployeeAsync(SelectedEmployee)); Messenger.Default.Register <Employee>(this, OnEmployeeMessageReceived); }