public IHttpActionResult PutPMethod(int id, PMethod pMethod)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != pMethod.PMethod_ID)
            {
                return(BadRequest());
            }

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

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

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public IHttpActionResult GetPMethod(int id)
        {
            PMethod pMethod = db.PMethods.Find(id);

            if (pMethod == null)
            {
                return(NotFound());
            }

            return(Ok(pMethod));
        }
        public IHttpActionResult PostPMethod(PMethod pMethod)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.PMethods.Add(pMethod);
            db.SaveChanges();

            return(CreatedAtRoute("DefaultApi", new { id = pMethod.PMethod_ID }, pMethod));
        }
        public IHttpActionResult DeletePMethod(int id)
        {
            PMethod pMethod = db.PMethods.Find(id);

            if (pMethod == null)
            {
                return(NotFound());
            }

            db.PMethods.Remove(pMethod);
            db.SaveChanges();

            return(Ok(pMethod));
        }