// GET api/city public HttpResponseMessage Get() { var cities = _cityServices.GetAllCities(); if (cities != null) { var cityEntities = cities as List <CityEntity> ?? cities.ToList(); if (cityEntities.Any()) { return(Request.CreateResponse(HttpStatusCode.OK, cityEntities)); } } return(Request.CreateErrorResponse(HttpStatusCode.NotFound, "City not found")); }