private void btn_deleteauthor_Click(object sender, EventArgs e) //Button delete author
{
int i = grid_results_adm.CurrentRow.Index;
int id = (int)grid_results_adm["AuthorID", i].Value;
BibliotechDAL bd = new BibliotechDAL();
int s = bd.AuthorNbrOfBooks(id);
if (s == 0)
{
bd.DeleteAuthor(id);
FillViewAuthors();
}
else
{
MessageBox.Show("Går ej att radera, författaren har böcker i biblioteket");
}
}
