Visualforce Developer Guide

Introducing Visualforce
Tools for Visualforce Development
Getting a Quick Start with Visualforce
Customizing the Appearance and Output of Visualforce Pages
Standard Controllers
Standard List Controllers
Custom Controllers and Controller Extensions
Live Controller (Pilot)
Advanced Examples
Overriding Buttons, Links, and Tabs with Visualforce
Using Static Resources
Creating and Using Custom Components
Dynamic Visualforce Bindings
Dynamic Visualforce Components
Integrating Email with Visualforce
Visualforce Charting
Creating Maps with Visualforce
Render Flows with Visualforce
Templating with Visualforce
Developing Salesforce Apps with Visualforce
Adding Visualforce to a Salesforce AppExchange App
Using JavaScript in Visualforce Pages
Communicating Across the DOM with Lightning Message Service (Developer Preview)
Best Practices
Standard Component Reference
Appendices
Global Variables, Functions, and Expression Operators
Security Tips for Apex and Visualforce Development
Apex Classes Used in Visualforce Controllers
ApexPages Class
Action Class
Cookie Class
IdeaStandardController Class
IdeaStandardSetController Class
KnowledgeArticleVersionStandardController Class
Message Class
PageReference Class
SelectOption Class
SelectOption Constructors
SelectOption Methods
StandardController Class
StandardSetController Class
Execution Governors and Limits
Glossary
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SelectOption Class

A SelectOption object specifies one of the possible values for a Visualforce selectCheckboxes, selectList, or selectRadio component.

Namespace

System

SelectOption consists of a label that is displayed to the end user, and a value that is returned to the controller if the option is selected. A SelectOption can also be displayed in a disabled state, so that a user cannot select it as an option, but can still view it.

Instantiation

In a custom controller or controller extension, you can instantiate a SelectOption in one of the following ways:

  • where value is the String that is returned to the controller if the option is selected by a user, label is the String that is displayed to the user as the option choice, and isDisabled is a Boolean that, if true, specifies that the user cannot select the option, but can still view it.

  • where value is the String that is returned to the controller if the option is selected by a user, and label is the String that is displayed to the user as the option choice. Because a value for isDisabled is not specified, the user can both view and select the option.

Example

The following example shows how a list of SelectOptions objects can be used to provide possible values for a selectCheckboxes component on a Visualforce page. In the following custom controller, the getItems method defines and returns the list of possible SelectOption objects:

In the following page markup, the <apex:selectOptions> tag uses the getItems method from the controller above to retrieve the list of possible values. Because <apex:selectOptions> is a child of the <apex:selectCheckboxes> tag, the options are displayed as checkboxes: