private void EditPerson(object obj) { var viewmodel = new PersonViewModel { Name = SelectedPerson.Name, DayOfBirth = DateTime.Parse(SelectedPerson.BirthDate), DayOfDeath = DateTime.Parse(SelectedPerson.DeathDate), Gender = (Gender)Enum.Parse(typeof(Gender), SelectedPerson.Gender) }; EditList view = new EditList { DataContext = viewmodel }; view.ShowDialog(); if (viewmodel.IsConfirm) { var birthDate = viewmodel.DayOfBirth.Date; var deathDate = viewmodel.DayOfDeath.Date; viewmodel.BirthDate = birthDate.ToString("d"); viewmodel.DeathDate = deathDate.ToString("d"); var gender = viewmodel.Gender.ToString(); if (SelectedPerson.Children.Any()) { Person newPerson = new Person { BirthDate = birthDate.ToString("d"), DeathDate = deathDate.ToString("d"), Gender = gender }; foreach (var child in SelectedPerson.Children) { if (!CheckIfValid(newPerson, child, false)) { return; } } } var result = db.EditPerson(SelectedPerson, viewmodel.Name, viewmodel.BirthDate, viewmodel.DeathDate, gender); if (result == false) { MessageBox.Show("Wystąpił błąd przy edycji jednostki"); } Refresh(); } }