public void Add(Author author)
{
db.Authors.InsertOnSubmit(author);
db.SubmitChanges();
}
public void Add(Editorial editorial)
{
db.Editorials.InsertOnSubmit(editorial);
db.SubmitChanges();
}
public void Add(Book book)
{
db.Books.InsertOnSubmit(book);
db.SubmitChanges();
}
public void Add(Genre genre)
{
db.Genres.InsertOnSubmit(genre);
db.SubmitChanges();
}