public IActionResult Book(ExtendForm form)
{
BookActiveRecord book = BookActiveRecord.Find(form.id);
book.Available -= 1;
book.Save();
return(RedirectToAction("BookList", "Home"));
}
private void b_add_Click(object sender, EventArgs e)
{
int a;
if (!Int32.TryParse(tb_available.Text, out a))
{
MessageBox.Show("Číslo ve špatném formátu.");
return;
}
if (a < 0)
{
MessageBox.Show("Počet kusů skladem nesmí být menší než 0.");
return;
}
BookActiveRecord book = new BookActiveRecord((AuthorActiveRecord)cb_author.SelectedItem, tb_title.Text, tb_genre.Text, a);
book.Save();
f1.Show();
this.Hide();
}