Java EE (Java Enterprise Edition) General Discussion

Look for an Ajaxical JSF framework. For example Ajax4jsf, which is part of RichFaces.

it is possible if ajax4jsf is used, but i need to rerender using javascript.......
is there any possibility to rerender the jsf component from the javascript.......?

this is my code......

<h:outputLabel value="delete" onclick="deleteRecord()"/>
<h:datatable id="records" value="myBean.records" var="record">
.........
.......
</h:datatable>

and javascript

function deleteRecord() {
         if(window.confirm("Are you sure you want to delete?")) {
                  // here i need to rerender the records(id) table
         }
}

Pure JS runs at the client side, not at the server side (where JSF runs), so the answer is no.

I mean, can the managed bean object method be called from javascript......

Invoke a request to the server. Submit a form synchronously using form.submit() or fire an ajaxical request asynchronously using XmlHttpRequest and write a Filter and JSF ViewHandler which intercepts the ajaxical request -but this way you're reinventing the wheel which Ajax4jsf already did.

If I am right in understanding your problem, then you do your functionality by simply calling a javascript function on the onlclick
event of your commandButton.
Then in the javascript function call a java function like this ::
java.lang.System.out.println( message );
// Basically FullPackagename.Classname.methodName();
//remember the method should not throw any kind of exception.

Then in the method called, access your managed bean (take from session or request or application scope in which u have kept it)
and call whatever you want.

You're completely wrong.

I don't understand the reason why u said wrong.
This code works perfectly fine ::
<script type="text/javascript">
function callJavaMethod() {
alert("Calling java Method");
var temp = java.lang.Math.random()*100000;
alert(temp);
}
</script>

You don't understand the actual problem. He wanted to invoke a backing bean method at the server, not some lousy standard JDK code at the client.

If managed bean method can be called from javascript, i need to rerender the jsf component also....
i think it is not possible to rerender the jsf component from javascript, but i can get the data from server using XmlHTTPRequest and i can rerender the part of the page using innerHTML property, but i want to alert the jsf component to rerender itself from the javascript, this is what i want to do....

I keep repeating: use an Ajaxical JSF framework, such as Ajax4jsf. It has already done it all for you.

If you don't want to use it for some reasons then create one yourself. But I doubt if you get success since you already ask this level of question here. Learn HTTP. Learn HTML. Learn JS. Learn DOM. Learn XML (or JSON). Learn Ajax. Learn JSP. Learn Servlets/Filters. Learn JSF. Then do the math.

I have the same problem.

I'm using Ajax4jsf and, even so, i dont know how to do it.
Wich and how components i must use.

Thanks for your help.

[<a4j:support />|http://www.jboss.org/file-access/default/members/jbossrichfaces/freezone/docs/devguide/en/html/support.html].

Something in my page calls some jScript function (cannot be other way) to send some infomation to the server and the server sends back an answer.
I can send the data, but i can get the answer back only if include an alert(''); inside the javascript function.... it seems that the the function reach return line before the button rerender itself...... any ideas (Sorry for the english)

....
</a4j:form>
....

<h:inputText  id="input" value="#{SomeBean.variable1}" />
<a4j:commandButton  id="button" action="#{someBean.someMethod}" value="#{SomeBean.answer}" reRender="button" />
.........


<script>

....
function jsFunction(dummyString) {
	   
        document.getElementById('formInitialize:input').value = urlencode(dummyString);
	document.getElementById(formInitialize:button').click();

	answer = document.getElementById("formInitialize:button").value;
	return answer;
	    
	}
</script>
</a4j:form>
....

valdivaldi, hi and welcome. Please don't post to long dead threads and don't hijack other people's threads.

I'm locking now.