private void btn_AboutBook_Click(object sender, EventArgs e)
{
if (lbBooks.SelectedItem == null)
{
MessageBox.Show("Please select a book to show detail about it.");
}
else
{
AboutBookForm aboutBookForm = new AboutBookForm(lbBooks.SelectedItem as Book);
aboutBookForm.Show();
}
}
private void btn_AboutBook_Click(object sender, EventArgs e)
{
AboutBookForm aboutBookForm = new AboutBookForm(RL.BookCopy.Book);
aboutBookForm.Show();
}