private static void SaveNotes(EditProduct editProduct, int productID, string userID) { var curList = ProductNotes.GetByProductID(productID); foreach (var note in editProduct.Notes) { if (!curList.Any(item => item.ID == note.ID)) { var productNote = Mapper.Map <ProductNote>(note); productNote.UserID = userID; productNote.ProductID = productID; productNote.LastUpdate = DateTime.Now; ProductNotes.Insert(productNote); } } }