public async Task <IActionResult> OnPost()
        {
            if (yourReview == null)
            {
                return(RedirectToPage("../Index"));
            }
            var checkReview = reviewdb.GetById(yourReview.OrderId, yourReview.GameId, yourReview.PlatformId);

            if (checkReview == null)
            {
                reviewdb.Add(yourReview);
                await reviewdb.CommitAsync();
            }
            else
            {
                checkReview.Recommended   = yourReview.Recommended;
                checkReview.Review_Detail = yourReview.Review_Detail;
                reviewdb.Update(checkReview);
                await reviewdb.CommitAsync();
            }
            return(RedirectToPage("./Detail", new { id = yourReview.GameId }));
        }