public async Task <IHttpActionResult> PutTelefonNr(long id, TelefonNr telefonNr)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != telefonNr.TelefonId)
            {
                return(BadRequest());
            }

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

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

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public async Task <IHttpActionResult> PostTelefonNr(TelefonNr telefonNr)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.TelefonNrs.Add(telefonNr);

            try
            {
                await db.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (TelefonNrExists(telefonNr.TelefonId))
                {
                    return(Conflict());
                }
                else
                {
                    throw;
                }
            }

            return(CreatedAtRoute("DefaultApi", new { id = telefonNr.TelefonId }, telefonNr));
        }
        public async Task <IHttpActionResult> DeleteTelefonNr(long id)
        {
            TelefonNr telefonNr = await db.TelefonNrs.FindAsync(id);

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

            db.TelefonNrs.Remove(telefonNr);
            await db.SaveChangesAsync();

            return(Ok(telefonNr));
        }