How many Controllers can be used on a single Salesforce visualforce Page?

Hi,

We can use two controllers on a single salesforce visualforce page. One is controller and for custom functionality, we can use Controller extension.

Thanks.

Hi,

You can have the two controller functionality in one visualforce page by using standard controller and extension. So in extension you can mention the name of multiple controller from which you want to access the functionality of these controller . For example:-

VisualForce page:-

<apex:page standardController=”Account”
extensions=”ExtOne,ExtTwo” showHeader=”false”>
<apex:outputText value=”{!foo}” />
</apex:page>

Extension Class:-

ExtOne:-

public class ExtOne {
public ExtOne(ApexPages.StandardController acon) { }

public String getFoo() {
return ‘foo-One’;
}
}

ExtTwo:-

public class ExtTwo {
public ExtTwo(ApexPages.StandardController acon) { }

public String getFoo() {
return ‘foo-Two’;
}
}

Hope this helps!