public async Task<IHttpActionResult> PostGenre(Genre genre)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            db.Genres.Add(genre);

            try
            {
                await db.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (GenreExists(genre.Name))
                {
                    return Conflict();
                }
                else
                {
                    throw;
                }
            }

            return CreatedAtRoute("DefaultApi", new { id = genre.Name }, genre);
        }
        // POST: odata/GenresImporter
        public async Task<IHttpActionResult> Post(Genre genre)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            db.Genres.Add(genre);

            try
            {
                await db.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (GenreExists(genre.GenreId))
                {
                    return Conflict();
                }
                else
                {
                    throw;
                }
            }

            return Created(genre);
        }
        public async Task<IHttpActionResult> PutGenre(string id, Genre genre)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            if (id != genre.Name)
            {
                return BadRequest();
            }

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

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

            return StatusCode(HttpStatusCode.NoContent);
        }