public HttpResponseMessage POST(Guid Id, FormDataCollection values) // Id is sender { try { if (values["ReciverId"] != "00000000-0000-0000-0000-000000000000") { dc.FeedBack_Insert(Id, new Guid(values["ReciverId"]), values["Value"].ToString()); } else if (values["ReciverId"] == "00000000-0000-0000-0000-000000000000") { dc.FeedBack_Insert(Id, null, values["Value"].ToString()); } return(Request.CreateResponse(HttpStatusCode.OK)); } catch { return(Request.CreateResponse(HttpStatusCode.BadRequest)); } }