public AddBook(Form1 _f1)
{
InitializeComponent();
List <AuthorActiveRecord> authors = AuthorActiveRecord.Find();
f1 = _f1;
cb_author.DataSource = authors;
}
private void button1_Click(object sender, EventArgs e)
{
List <BookActiveRecord> knihy = BookActiveRecord.Find();
List <LibrarianActiveRecord> knihovnici = LibrarianActiveRecord.Find();
List <CustomerActiveRecord> zakaznici = CustomerActiveRecord.Find();
List <RentalActiveRecord> vypujcky = RentalActiveRecord.Find();
List <BookInRentalActiveRecord> knihyVeVypujce = BookInRentalActiveRecord.Find();
List <AuthorActiveRecord> autori = AuthorActiveRecord.Find();
AddBook addBookForm = new AddBook(this);
addBookForm.Show();
this.Hide();
}