Where can I find list of global variables in Visualforce?

Where can I find list of global variables in Visualforce?

For a list of global variables that you can use in Visualforce, see Global Variables. To access fields from a record that is not globally available, like a specific account, contact, or custom object record, you need to associate your page with a controller .

What’s the name of the metadata file in Salesforce?

For more information, see “Visualforce” in the Salesforce online help. This type extends the MetadataWithContent metadata type and inherits its content and fullName fields. The file suffix is .page for the page file. The accompanying metadata file is named PageName-meta.xml.

How to create a custom lookup field in Visualforce?

A solution to such restrictions was to create your own lookup Field on the VisualForce Page using a basic VisualForce InputText tag and coding it into a Lookup field. Here is the solution for the VisualForce Custom Lookup Field.

How do I create a new record in Visualforce?

To create the new record they need to close the lookup window, navigate to the tab to create the new related record, create the new record, then go back to the original record they were either editing or creating, pop up the lookup window again and find their newly created record.

How is data retrieved from a Visualforce page?

Visualforce pages can display data retrieved from the database or web services, data that changes depending on who is logged on and viewing the page, and so on. This dynamic data is accessed in markup through the use of global variables, calculations, and properties made available by the page’s controller.

How is a function used in a Visualforce expression?

Use a function in a Visualforce expression. Visualforce pages can display data retrieved from the database or web services, data that changes depending on who is logged on and viewing the page, and so on.

What does the$ symbol mean in Visualforce?

$User is a global variable that always represents the current user record. All global variables are referenced with a $ symbol. For a list of global variables that you can use in Visualforce, see Global Variables.

What happens when you save a page in Visualforce?

When you save a page, the value attribute of all input components— , , and so on—is validated to ensure it’s a single expression, with no literal text or white space, and is a valid reference to a single controller method or object property. An error will prevent saving the page.

How is the expression language used in Visualforce?

Visualforce pages use the same expression language as formulas—that is, anything inside {! } is evaluated as an expression that can access values from records that are currently in context. For example, you can display the current user’s first name by adding the {!$User.FirstName} expression to a page:

How does the dot notation work in Visualforce?

It then uses dot notation to access the name field for that record. When you save a page, the value attribute of all input components— , , and so on—is validated to ensure it’s a single expression, with no literal text or white space, and is a valid reference to a single controller method or object property.

How to use if condition in Visualforce page?

While displaying, I want to display: 1. By using If clause in apex page 2. By passing ‘Age’ as a parameter to my extended controller 3. And using case (or similar) in SOQL The error I get is: Error: Syntax error. Missing ‘)’

How to use functions in Visualforce developer guide?

Returns a time value in GMT representing the current moment. Use this function instead of the NOW function if you only want to track time, without a date. Returns the local time value without the date, such as business hours. TIMEVALUE (value) and replace value with a date/time or text value, merge field, or expression.

How to build a controller extension in Visualforce?

Building a Controller Extension. Because this extension works in conjunction with the Account standard controller, the standard controller methods are also available. For example, the value attribute in the tag retrieves the name of the account using standard controller functionality.

When to use global merge fields in Visualforce?

A global merge field type to use when referencing a Visualforce page. A global merge field type to use when referencing information about the current user’s custom permission access. Use permission merge fields to reference information about the user’s current access to any of your organization’s custom permissions.

How to access fields that are not globally available?

To access fields from a record that is not globally available, like a specific account, contact, or custom object record, you need to associate your page with a controller . Controllers provide pages with the data and business logic that make your application run, including the logic that specifies how to access a particular object’s records.