public IHttpActionResult PostJichitais(Jichitais jichitais)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            db.Jichitais.Add(jichitais);

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateException)
            {
                if (JichitaisExists(jichitais.JichitaiId))
                {
                    return Conflict();
                }
                else
                {
                    throw;
                }
            }

            return CreatedAtRoute("DefaultApi", new { id = jichitais.JichitaiId }, jichitais);
        }
        public IHttpActionResult PutJichitais(string id, Jichitais jichitais)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            if (id != jichitais.JichitaiId)
            {
                return BadRequest();
            }

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

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!JichitaisExists(id))
                {
                    return NotFound();
                }
                else
                {
                    throw;
                }
            }

            return StatusCode(HttpStatusCode.NoContent);
        }