How to access a custom label in Visualforce?

How to access a custom label in Visualforce?

A global merge field type to use when referencing a custom label. Use this expression in a Visualforce page to access a custom label. The returned value depends on the language setting of the contextual user. The value returned is one of the following, in order of precedence:

What are custom labels in Apex code Salesforce?

Custom labels are custom text values that can be accessed from Apex classes or Visualforce pages. The values can be translated into any language Salesforce supports. Custom labels enable developers to create multilingual applications by automatically presenting information (for example, help text or error messages) in a user’s native language.

What is the custom setting field in Salesforce?

For example, $Setup.App_Prefs__c.Show_Help_Content__c. Salesforce automatically determines the correct value for this custom setting field based on the running user’s current context. Custom settings of type “list” aren’t available on Visualforce pages using this global variable.

How to override default label in object field?

For components that map to standard or custom object fields, the displayed label is the object field label by default. To override the default value, and for components that aren’t mapped directly to object fields, you can set the label using the label attribute of the component.

Can a custom label be used in an error message?

Custom labels won’t be used in custom error messages, and the default object field label will be used instead. If you set a label attribute to an empty string, the default object field label will be used in all error messages.

How to pass values from a Visualforce page?

Passing value from a visualforce page to a controller string variable. I have created a visualforce page and wanted to pass current values from feilds of this page to the controller. The scenario is like, on the screen we have three fields and the user puts in some value to those fields.

How to get evaluated Visualforce variables into dumb static JavaScript?

This is a great question, and Custom Labels and the $Label global are the right place to start! Instead of evaluating Visualforce inside your JavaScript, you can do a little bit of JavaScript inside your Visualforce. How do I get evaluated Visualforce variables into dumb static JavaScript?

Why do I need custom labels in JavaScript?

For example, some user action on the page should trigger confirmation dialog with custom message. And this message should be translated. Anything else on the page can be translated just fine with custom labels. The problem is that accessing custom labels requires VF context and {!xxx} syntax which of course doesn’t work in separate resource.