public async Task<IHttpActionResult> PutTerritory(Territory territory)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            _dbContext.ApplyChanges(territory);

            try
            {
                await _dbContext.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!_dbContext.Territories.Any(t => t.TerritoryId == territory.TerritoryId))
                {
                    return Conflict();
                }
                throw;
            }

			await _dbContext.LoadRelatedEntitiesAsync(territory);
			territory.AcceptChanges();
	        return Ok(territory);
        }
        public async Task<IHttpActionResult> PostTerritory(Territory territory)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            territory.TrackingState = TrackingState.Added;
            _dbContext.ApplyChanges(territory);


            try
            {
                await _dbContext.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (_dbContext.Territories.Any(t => t.TerritoryId == territory.TerritoryId))
                {
                    return Conflict();
                }
                throw;
            }

            await _dbContext.LoadRelatedEntitiesAsync(territory);
            territory.AcceptChanges();
            return CreatedAtRoute("DefaultApi", new { id = territory.TerritoryId }, territory);
        }