public HttpResponseMessage UIDAICheck([FromUri] string uidai) { try { if (uidai != null) { if (userBDC.FindUserByUIDAI(uidai)) { return(Request.CreateResponse(HttpStatusCode.OK, true)); } else { return(Request.CreateResponse(HttpStatusCode.OK, false)); } } else { return(Request.CreateResponse(HttpStatusCode.BadRequest, ModelState)); } } catch (Exception) { return(Request.CreateResponse(HttpStatusCode.InternalServerError, false)); } }