public IHttpActionResult Putsurveycas(int id, surveycas surveycas)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != surveycas.ID)
            {
                return(BadRequest());
            }

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

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

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public IHttpActionResult Getsurveycas(int id)
        {
            surveycas surveycas = db.surveycases.Find(id);

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

            return(Ok(surveycas));
        }
        public IHttpActionResult Postsurveycas(surveycas surveycas)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.surveycases.Add(surveycas);
            db.SaveChanges();

            return(CreatedAtRoute("DefaultApi", new { id = surveycas.ID }, surveycas));
        }
        public IHttpActionResult Deletesurveycas(int id)
        {
            surveycas surveycas = db.surveycases.Find(id);

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

            db.surveycases.Remove(surveycas);
            db.SaveChanges();

            return(Ok(surveycas));
        }