Visualforce page that shows Contact details using an Extension controller

Create a Visualforce page that shows Contact details using an Extension controller




Extension Controller: use to build custom functionalities that are not available at Standard controller. We can create more than one extension controller at a visualforce page.














Visualforce Page:












<apex:page standardController="Contact" extensions="contactExtension">




   





<apex:form>







<apex:inputField value="{!contact.FirstName}"/> <p/>





<apex:inputField value="{!contact.LastName}"/> <p/>



<apex:commandButton value="Save" action="{!save}"/>








    </apex:form>




</apex:page>








Extension Controller:



















public class contactExtension {





private final Contact cons;





// The extension constructor initializes the private member

























public contactExtension (ApexPages.StandardController stdController) {







this.cons = (Contact)stdController.getRecord();



}



return 'Hello Mr./Ms. ' + cons.LastName + ' (' + cons.id + ')';







}

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