private async Task productInListInitial(int productId, string username) { productOnsalelist pr = new productOnsalelist(); pr.ProductId = productId; pr.username = username; pr.date = DateTime.Now; pr.quantity = 1; _context.productOnsalelists.Add(pr); await _context.SaveChangesAsync(); }
private async Task updateProductOnSale(productOnsalelist trans) { _context.Set <productOnsalelist>().AddOrUpdate(trans); await _context.SaveChangesAsync(); }