private void btn_search_Click(object sender, EventArgs e)
{
HandleException(() =>
{
List <Books> books = bookOpr.Show(tb_search.Text, location);
dgv_bookList.DataSource = books;
});
}
private void btn_c_bookSearch_Click(object sender, EventArgs e)
{
HandleException(() =>
{
List <Books> books = bookOpr.Show(tb_c_book.Text, location);
dgv_info.DataSource = books;
table = "rent_books";
});
}