private void EditСlientBtn_Click(object sender, RoutedEventArgs e) { if (User.Role.userRole.Equals("Admin") || User.Role.userRole.Equals("Manager")) { EditClientWindow editEmpWindow = new EditClientWindow(); editEmpWindow.ClientRepository = clientRepository; editEmpWindow.client = (Сlient)ClientsDataGrid.SelectedItem; editEmpWindow.SetValues(); editEmpWindow.ShowDialog(); ClientsDataGrid.ItemsSource = clientRepository.GetAll(); } else { MessageBox.Show("У вас недостатньо прав!"); } }