public void DownloadTest()
        {
            var remoteDB = new PostgreSQLDBHelper();
            var localDB  = new DatabaseHelper(DatabaseHelper.DatabaseNameEachPC);

            var synchronizer = new DBSynchronizer(remoteDB, localDB);

            synchronizer.Download();
        }
        public void UploadTest()
        {
            var remoteDB    = new PostgreSQLDBHelper();
            var localDB     = new DatabaseHelper(DatabaseHelper.DatabaseNameEachPC);
            var testComment = new Comment();

            testComment.CreationDateTime = DateTime.Now;
            testComment.TextContent      = "test用コメント";

            var synchronizer = new DBSynchronizer(remoteDB, localDB);

            synchronizer.Upload();
        }
        void worker_DoWork(object sender, DoWorkEventArgs e)
        {
            try
            {
                string server = "data source=34.209.147.13;initial catalog=NEW_POS_DB;user id=makrov;password=Qsefthuk786;Integrated Security=False";
                string client = "data source=localhost;initial catalog=NEW_POS_DB;user id=makrov;password=Qsefthuk786;Integrated Security=False";

                DBSynchronizer.Synchronize(server, client, sender);
            }
            catch (Exception ex)
            {
                throw;
            }
        }