[Route("/api/UpdatePersonalBookMarks")] // update data with a specific id into the PersonalBookMark table
        public async Task <ActionResult <PersonalBookMark> > UpdatePersonalBookMark([FromBody] PersonalBookMark personalBookMark)
        {
            _context.Update(personalBookMark);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetPersonalBookMark", new { id = personalBookMark.Id }, personalBookMark));
        }
        [Route("/api/AddPersonalBookMarks")] // add data into the PersonalBookMark table
        public async Task <ActionResult <PersonalBookMark> > PostPersonalBookMark(PersonalBookMark personalBookMark)
        {
            _context.PersonalBookMark.Add(personalBookMark);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetPersonalBookMark", new { id = personalBookMark.Id }, personalBookMark));
        }
        public async Task <IActionResult> PutPersonalBookMark(int id, PersonalBookMark personalBookMark)
        {
            if (id != personalBookMark.Id)
            {
                return(BadRequest());
            }

            _context.Entry(personalBookMark).State = EntityState.Modified;

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

            return(NoContent());
        }