You can by just invoking it, but it is advised not to and allow the JSF lifecycle to handle it.
Perhaps if you explain what you are trying to achieve,then folks here can help
Thanks for your Interset and this is the details
I have problem that i want to fill value's of manged bean submit valuechangelistener sumbit but the value's is still 0 even i fill it in textbox or any component
public void catchangelist(ValueChangeEvent c) {
Integer x = ((Integer)c.getNewValue());
hw_model.filtermodel(x,h.getBrand_id());
}
h.getbrand_id() is still 0 while it have value in it's textbox