public void cargarClienteS() {
        try {
            String sql = "SELECT * FROM clientes";
            Connection conn = Conexion.GetConnection();
            PreparedStatement ps = conn.prepareStatement(sql);

            cli = ps.executeQuery();

            while (cli.next()) {
                String[] row = {cli.getString(1), cli.getString(2), cli.getString(3), cli.getString(4), cli.getString(5), cli.getString(6)};
                tmcli.addRow(row);
            }
            jTableClientes.setModel(tmcli);
        } catch (SQLException e) {
            JOptionPane.showMessageDialog(this, e.getErrorCode() + ":" + e.getMessage());
        }
    }