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bestjamiebestjamie 

how to set parameter for actionfunction

I want to add some parameter for the function in actionfunction.

example:
visualforce code

<apex:actionFunction action="{!insertSelDMDocId}"  status="selDocIdCb" name="insertSelDMDocId"/>

fuction abc(){

 insertSelDMDocId();//i want to add a parameter like insertSelDMDocId(id)

}

apex code:

// I want to get id here like insertSelDMDocId(id) , but it some error occurred.
public void insertSelDMDocId() {

   myid = id

 }

i have no idea about this issue.

If anyone can help me?

Thank you very much!!

 

Best Answer chosen by Admin (Salesforce Developers) 
Rajesh ShahRajesh Shah

I think you can use param component here. Heres an example. (I have used actionSupport, but it can also be used with actionFunction)

 

										<apex:actionSupport event="onclick" action="{!findDates}" reRender = "Dates ,TranscriptPanel">								
											<apex:param name="paramid" value="{!UserLists.UserId}"/> 								
										</apex:actionSupport>

//////////// Heres the controller part

// Inside the function findDates()
String msgId = ApexPages.currentPage().getParameters().get('paramid')	
 
 
 

Message Edited by Rajesh Shah on  10-16-2009 06:55 PM


All Answers
Ron HessRon Hess
we use an input field for this
 
 
 

<apex:inputHidden value="{!myparameter}" id="mycoolID" />
 
 somewhere on your page.
 
 
then in your javascript, you get the element and stuff a value into it.
 
here is an example of this technique 
 
http://wiki.developerforce.com/index.php/Sites_And_Captcha
 
looks like this : 
 
 
<apex:form >
			<apex:inputhidden value="{!challenge}" id="challenge" />
			<apex:inputhidden value="{!response}" id="response" />
			<script type="text/javascript">
			function captureResponse(ele) { 
				document.getElementById('{!$Component.challenge}').value = 
					document.getElementById('recaptcha_challenge_field').value;
				
				document.getElementById('{!$Component.response}').value = 
					document.getElementById('recaptcha_response_field').value;
			}
			</script>


 
 
now, in apex code your value is available for use 
 
 
 


Rajesh ShahRajesh Shah
I think you can use param component here. Heres an example. (I have used actionSupport, but it can also be used with actionFunction)
 
										<apex:actionSupport event="onclick" action="{!findDates}" reRender = "Dates ,TranscriptPanel">								
											<apex:param name="paramid" value="{!UserLists.UserId}"/> 								
										</apex:actionSupport>

//////////// Heres the controller part

// Inside the function findDates()
String msgId = ApexPages.currentPage().getParameters().get('paramid')	
 
 
 

Message Edited by Rajesh Shah on  10-16-2009 06:55 PM
This was selected as the best answer
bestjamiebestjamie
Thank you all. I solved this problem. 
Both of above solution are greate.  I just did as you mentioned. It does work.
 


Ron HessRon Hess
Yeah, that is even cleaner than my idea.