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
Advanced Examples
Override Buttons, Links, and Tabs with Visualforce
Using Static Resources
Creating and Using Custom Components
Dynamic Visualforce Bindings
Dynamic Visualforce Components
Integrate 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
Visualforce Best Practices
Standard Visualforce 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
getDisabled()
getEscapeItem()
getLabel()
getValue()
setDisabled(isDisabled)
setEscapeItem(itemsEscaped)
setLabel(label)
setValue(value)
StandardController Class
StandardSetController Class
Execution Governors and Limits
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setDisabled(isDisabled)

Sets the value of the SelectOption object's isDisabled attribute.

Signature

public Void setDisabled(Boolean isDisabled)

Parameters

isDisabled
Type: Boolean

Return Value

Type: Void

Usage

If isDisabled is set to true, the user can view the option, but cannot select it. If isDisabled is set to false, the user can both view and select the option.