public void insertarProducto(Producto p){
        try {
            Statement comando=connection.createStatement();
            comando.executeUpdate(
                    "INSERT INTO Productos" +
                    "(idProducto," +
                    "Nombre," +
                    "Ref," +
                    "Precio," +
                    "Combinacion)" +
                    "VALUES" +
                    "(NULL,'" +
                    p.getNombre()+"','" +
                    p.getRef()+"','" +
                    p.getPrecio()+"','" +
                    p.getCombinacion()+"')");
           
            
        } catch (SQLException ex) {
            Logger.getLogger(GestionarCliente.class.getName()).log(Level.SEVERE, null, ex);
        }
    
    
}