public IHttpActionResult PostEventModel(EventModel eventModel)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            db.EventModels.Add(eventModel);
            db.SaveChanges();

            return CreatedAtRoute("DefaultApi", new { id = eventModel.Id }, eventModel);
        }
 public EventWithLocation(EventModel eventModel)
 {
     _eventModel = eventModel;
 }
        public IHttpActionResult PutEventModel(int id, EventModel eventModel)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            if (id != eventModel.Id)
            {
                return BadRequest();
            }

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

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

            return StatusCode(HttpStatusCode.NoContent);
        }