public async Task<IHttpActionResult> PutPetKind(int id, PetKind petKind)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            if (id != petKind.PetKindNo)
            {
                return BadRequest();
            }

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

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

            return StatusCode(HttpStatusCode.NoContent);
        }
        public async Task<IHttpActionResult> PostPetKind(PetKind petKind)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            db.PetKinds.Add(petKind);
            await db.SaveChangesAsync();

            return CreatedAtRoute("DefaultApi", new { id = petKind.PetKindNo }, petKind);
        }