// Button event to add default period data into table
        void btnAddDefault_Click(object sender, RoutedEventArgs e)
        {
            bool result = false;

            AutoResetEvent m = new AutoResetEvent(true);

            CustomMessageBox auto = new CustomMessageBox(m, "asdasdasd");

            auto.Owner = this;

            auto.Show("asdasdasd");

            result = dbManager.RestoreTable(DataBaseName.Period_Type);

            if (result)
            {
                m.Set();
                Reload();
            }
        }