// POST: api/PhoneBook public HttpResponseMessage Post([FromBody] DmEntryEx entry) { if (!string.IsNullOrEmpty(entry.Number) && !string.IsNullOrEmpty(entry.Person)) { var result = _operations.AddEntry(entry); if (result == "Success") { return(Request.CreateResponse(HttpStatusCode.Created, entry)); } } return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, "Unsuccesfull")); }