public IHttpActionResult Put(int id, DRelationSize dRelationSize)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != dRelationSize.relation_id)
            {
                return(BadRequest());
            }

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

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

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public IHttpActionResult Get(int id)
        {
            DRelationSize dRelationSize = db.DRelationSizes.Find(id);

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

            return(Ok(dRelationSize));
        }
        public IHttpActionResult Post(DRelationSize dRelationSize)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.DRelationSizes.Add(dRelationSize);
            db.SaveChanges();

            return(CreatedAtRoute("DefaultApi", new { id = dRelationSize.relation_id }, dRelationSize));
        }
        public IHttpActionResult Delete(int id)
        {
            DRelationSize dRelationSize = db.DRelationSizes.Find(id);

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

            db.DRelationSizes.Remove(dRelationSize);
            db.SaveChanges();

            return(Ok(dRelationSize));
        }