public void getShortLiistOfCondition(string condition) { ObservableCollection <Book> books = BooksDb.GetBookss(); ObservableCollection <Book> resultBook = new ObservableCollection <Book>(); foreach (Book book in books) { if (book.Condition.Equals(condition)) { resultBook.Add(book); } } getBooks = resultBook; }
public TestBooksViewModel(INavigation Navigation) { this.Navigation = Navigation; getBooks = BooksDb.GetBookss(); }