K
foreach (Book book in books)
{
rSort.Text += book + "\r\n";
}
book.Year;
book.Author;
void PrintBookTitlesSort(Book[] books)
{
rSort.Clear();
foreach (Book book in books)
{
//rSort.Text += book + "\r\n";
dataGridView1.Add(book.Year, book.Author);
}
}
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