public HttpResponseMessage DeleteRewardUser(int StoreId, int LoggedInUserId, int id, int reward_user_id)
 {
     try
     {
         var result = _rewardService.DeleteRewardUser(StoreId, LoggedInUserId, id, reward_user_id);
         return(Request.CreateResponse(HttpStatusCode.OK, result));
     }
     catch (Exception)
     {
         throw;
     }
 }