private void generarTabla(int columna, int fila, int[] datos, String operacion) {
        switch (getOperacion(operacion)) {
            case 0:
                tableHtml += "<h1>Funcion no implementado</h1>";
                break;
            case 1:
                tableHtml = "<table border=2><tr><th colspan=" + columna + ">" + operacion + "</th><th>Total</th></tr>\n";
                sumar(columna, fila, datos);
                tableHtml += "</table>\n";
                break;
            case 2:
                tableHtml = "<table border=2><tr><th colspan=" + columna + ">" + operacion + "</th><th>Total</th></tr>\n";
                multiplicar(columna, fila, datos);
                tableHtml += "</table>\n";
                break;

        }
    }