public MainViewModel() { people = new DoubledLinkedList <Person>(); DownloadFromDateBaseF(); //newPerson = new Person("Sidorov", new DateTime(1996, 01, 03), 179); this.AddPerson(); //newPerson = new Person("Ivanov", new DateTime(1995, 03, 03), 170); this.AddPerson(); //newPerson = new Person("Petrov", new DateTime(1996, 02, 03), 172); this.AddPerson(); //newPerson = new Person("Sadovnichyi", new DateTime(1996, 12, 12), 178); this.AddPerson(); newPerson = new Person("aaa", new DateTime(2001, 01, 01), 0); }