public bool DeleteProduct(Products product) { ProductsDAO dao = new ProductsDAO(); bool error = false; if (product != null) { if (dao.CountProductOrder(product) > 0) { error = true; } if (dao.CountProductSales(product) > 0) { error = true; } if (!error) { dao.DeleteProduct(product); } else { dao.ChangeProductActivated(product, false); } return(true); } return(false); }