public IHttpActionResult PutEvent(int id, Event @event)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

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

            db.Entry(@event).State = EntityState.Modified;

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

            return StatusCode(HttpStatusCode.NoContent);
        }
        public IHttpActionResult PostEvent(Event @event)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            db.Events.Add(@event);
            db.SaveChanges();

            return CreatedAtRoute("DefaultApi", new { id = @event.Id }, @event);
        }
 public void SaveEvent(Event evt)
 {
     throw new NotImplementedException();
 }