// GET api/bloodgroup/5
        public HttpResponseMessage Get(int id)
        {
            var BloodGroups = _BloodGroup.GetBloodGroupById(id);

            if (BloodGroups != null)
            {
                return(Request.CreateResponse(HttpStatusCode.OK, BloodGroups));
            }
            return(Request.CreateErrorResponse(HttpStatusCode.NotFound, "No BloodGroup found for this id"));
        }