private void button1_Click(object sender, EventArgs e)
{
string input;
string nume = authorInput.Text;
string prenume = textBox1.Text;
AutorDTO autor = new AutorDTO();
autor.nume = nume;
autor.prenume = prenume;
input = genderInput.Text;
GenDTO gen = new GenDTO();
gen.descriere = input;
input = titleInput.Text;
CarteDTO carte = new CarteDTO();
carte.titlu = input;
carte.GenDto = gen;
carte.AutorDto = autor;
input = numberInput.Text;
BookServiceClient bookService = new BookServiceClient();
bookService.BuyBooks(carte, Int16.Parse(input));
((MainPage)this.Owner).MainPage_Load(null, null);
this.Close();
}