Visualforce Controllers
Visualforce Controllers Visualforce have 3 types of controllers: Standard Controller, Custom Controller, Extension Controller. Standard Controller: Use to take the standard functionalities for standard or custom object that is available. We can't create more than one standard controller at a visualforce page. Syntax: <Apex:page StandardController = "Account"> <!-- Your Code --> </Apex: Page> Custom Controller: use to build custom functionalities using visualforce page. We can't create more than one custom controller at a visualforce page. Syntax: <Apex:page Controller = "AccountButton"> <!-- Your Code --> </Apex: Page> 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. Syntax: <Apex:page StandardController = ...
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