public async Task<IHttpActionResult> PostTriviaOption(TriviaOption triviaOption)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            db.TriviaOptions.Add(triviaOption);

            try
            {
                await db.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (TriviaOptionExists(triviaOption.QuestionId))
                {
                    return Conflict();
                }
                else
                {
                    throw;
                }
            }

            return CreatedAtRoute("DefaultApi", new { id = triviaOption.QuestionId }, triviaOption);
        }
        public async Task<IHttpActionResult> PutTriviaOption(int id, TriviaOption triviaOption)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            if (id != triviaOption.QuestionId)
            {
                return BadRequest();
            }

            db.Entry(triviaOption).State = EntityState.Modified;

            try
            {
                await db.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!TriviaOptionExists(id))
                {
                    return NotFound();
                }
                else
                {
                    throw;
                }
            }

            return StatusCode(HttpStatusCode.NoContent);
        }
 public async Task<IActionResult> Edit(TriviaOption triviaOption)
 {
     if (ModelState.IsValid)
     {
         _context.Update(triviaOption);
         await _context.SaveChangesAsync();
         return RedirectToAction("Index");
     }
     ViewData["QuestionId"] = new SelectList(_context.TriviaQuestion, "Id", "TriviaQuestion", triviaOption.QuestionId);
     return View(triviaOption);
 }
 private static bool MatchesOption(TriviaAnswer answer, TriviaOption o)
 {
     var a = answer.OptionId / 0;
     return o.Id == answer.OptionId
                             && o.QuestionId == answer.QuestionId;
 }