public async void setData(int id, TextBox id_transaksi, TextBox alamat_pembeli, TextBox namaPembeli, TextBox totalHarga) { this.id = id; transaction = UtilProvider.getDataTransaction().getData()[id]; this.id = transaction.getId(); id_transaksi.Text = transaction.getPoNumber(); alamat_pembeli.Text = transaction.getAddress(); namaPembeli.Text = transaction.getCustomerId().ToString(); totalHarga.Text = transaction.price.ToString(); }