public void DeleteFacebookUser(string UserId, string FacebookId)
        {
            Guid userid = Guid.Parse(UserId);
            FacebookAccountRepository fbAccRepo = new FacebookAccountRepository();
            int i = fbAccRepo.deleteFacebookUser(FacebookId, userid);

            if (i != 0)
            {
                FacebookFeedRepository fbfeedRepo = new FacebookFeedRepository();
                try
                {
                    fbfeedRepo.deleteAllFeedsOfUser(FacebookId, userid);
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.StackTrace);
                }

                FacebookMessageRepository fbmsgRepo = new FacebookMessageRepository();
                try
                {
                    fbmsgRepo.deleteAllMessagesOfUser(FacebookId, userid);
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.StackTrace);
                }
            }
        }