//insert categoryObj public HttpResponseMessage Post(int id, ForumDetail forumInfo) { if (ModelState.IsValid) { var forumUpdated = dataStore.AddForum(id, forumInfo); HttpResponseMessage response = Request.CreateResponse( HttpStatusCode.Created, forumUpdated); response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = forumUpdated.Id })); return(response); } else { return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState)); } }