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does someone has an idea, why the outputpanel "timeline" is not rerendered?

<apex:inputCheckbox id="budget" value="{!opp.Budget_available__c}" />
<apex:actionSupport event="onclick" rerender="pr, timeline" action="{!countPr}"/>
<apex:outputLabel for="budget" value="Customer has definded budget" />
<apex:outputPanel id="timeline">
<apex:outputPanel style="margin-left:3px;" rendered="{!IF(opp.Budget_available__c, 'true', 'false')}">
           Timeline: <apex:inputField value="{!opp.Timeline__c}" />
</apex:outputPanel>
</apex:outputPanel>
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1

While the expression IF(opp.Budget_available__c, 'true', 'false') could be replaced with the simpler opp.Budget_available__c either will work.

Presumably opp.Budget_available__c is false initially. Are you assuming that when the budget checkbox is changed that the timeline label will render? That will only happen if you add:

<apex:inputCheckbox id="budget" value="{!opp.Budget_available__c}">
    <apex:actionSupport event="onchange" rerender="timeline"/>
</apex:inputCheckbox>

More explanation in Rendering section if checkbox is unchecked.

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  • when I changed the event on "onchange", it works. Thanks! I am wondering why it works with onchange but not with onclick – d3sc3ndant Nov 21 '14 at 12:12
  • @Provider That's good. I had always assumed you would also need to nest the apex:actionSupport inside the apex:inputCheckbox too; probably safer to make that change too. – Keith C Nov 21 '14 at 12:15
  • I think this is not necessary in this case. The same usage but for the outputText component is shown on the component reference page :) – d3sc3ndant Nov 21 '14 at 12:28

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