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I have several visualforce components inside a Visualforce page. Instead of doing my SOQL queries inside each component (through an apex controller), I'd like to have a single soql query inside the VF page controller and pass resulting data (ieally as an array) to my VF components.

Current Page Code looks like: <c:component1 /> <c:component2 />

Is passing values (as an array) into these components through the vf page housing them possible to do?

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Yes it is. You can pass in specific values:

<apex:component>
    <apex:attribute name="sobs" type="MyCustomObject__c[]" description=""/>
    ...
</apex:component>

or indeed a reference to the page controller

<apex:component>
    <apex:attribute name="c" type="PageController" description=""/>
    ...
</apex:component>

and then use expressions like { !c.property } to reference values from the controller.

Just a question of whether you want the component to be fully self-contained or not.

| improve this answer | |
  • Thanks Keith! This is great to know. – ust Nov 22 at 13:07

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