private void CreateButton_Click(object sender, EventArgs e) { if (CheckingFields()) { int pages; int.TryParse(PagesBox.Text, out pages); int realeseDate; int.TryParse(RealeseDatetextBox.Text, out realeseDate); var book = new BookLibrary { Book = BooktextBox.Text, Author = AuthortextBox.Text, Pages = pages, RealeseDate = realeseDate }; dataAccess.CreateBook(book); Close(); } }