What are the Visualforce page tags?
What are the Visualforce page tags?
Why visualforce tags are used?
| Input tags | Output Tags | Select Tags |
|---|---|---|
What is the first tag is referenced in a Visualforce page?
Starting tag is called a root tag in visual force….Visualforce.
| Static tag | Dynamic tag |
|---|---|
| 1) Current page’s purpose | 1) Connected to controller |
| 2) Can’t connect to the controller | 2) Gives ability to connect |
What are Visualforce pages in Salesforce?
Visualforce pages are basic building blocks for application developers. A Visualforce page is similar to a standard Web page, but includes powerful features to access, display, and update your organization’s data. Pages can be referenced and invoked via a unique URL, just as they would be on a traditional web server.
How do I use labels in Visualforce page?
To access custom labels, Go To Setup — Create — Custom Labels. Click on New Custom Labels. Enter value for name, value and description. We can use custom label name to access custom label value in visualforce page using $Label global variable.
What is attribute tag in Salesforce?
An tag requires values for the name , description , and type attributes: The name attribute defines how the custom attribute can be referenced in Visualforce pages. The name must be unique across components and is case insensitive.
What is output panel in Salesforce?
A set of content that is grouped together, rendered with an HTML tag, tag, or neither. Use an to group components together for AJAX refreshes.
When should I use Visualforce?
Developers can use Visualforce pages to:
- Override standard buttons, such as the New button for accounts, or the Edit button for contacts.
- Override tab overview pages, such as the Accounts tab home page.
- Define custom tabs.
- Embed components in detail page layouts.
- Create dashboard components or custom help pages.
What is Visualforce vs Lightning?
Visualforce assists in the creation of personalized user interfaces with native hosting as a platform that includes tag-based markup language and server-side controllers. Lightning is a cutting-edge user interface framework that helps developers create immersive web applications for both mobile and desktop devices.
What is a label in Salesforce?
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. Custom labels are custom text values that can be accessed from Apex classes, Visualforce pages, Lightning pages, or Lightning components.
How do you use labels in lightning controller?
Use Custom Labels in Lightning Aura Component javascript controller
- $A.get(“$Label.c.labelName”) for the default namespace.
- $A.get(“$Label.namespace.labelName”) if your org has a namespace, or to access a label in a managed package.
What are the two types of custom events?
What are the types of custom events in Salesforce Lightning…
- Application Level Events.
- Component Level Events.
- Custom Event.
What is Aura attribute in Salesforce?
aura:attribute describes an attribute available on an app, interface, component, or event. Indicates whether the attribute can be used outside of its own namespace. Possible values are public (default), and global , and private . Required.
What is a tag in Visualforce?
In the Visualforce markup language, each Visualforce tag corresponds to a coarse or fine-grained user interface component, such as a section of a page, a related list, or a field.
Salesforce – Visualforce Pages. The page is accessed by using a URL similar to that of a traditional webserver page. Each tag in visual force language corresponds to some user interface component like section of a page, a list view or a field of an object. Interestingly, it can be easily mixed up with HTML markup, CSS style and Java libraries, etc.
How to wrap a single Visualforce page in HTML?
A single Visualforce page must be wrapped inside a single page component tag. This component supports HTML pass-through attributes using the “html-” prefix. Pass-through attributes are attached to the generated tag. Visualforce tags can be divided to different types. They are. Input tags. Output tags.
How do I open an existing Salesforce page?
Click File | Open to see a list of existing Visualforce pages. Double-click a page to open it. You can also open other Salesforce entities, such as Apex classes and triggers, Visualforce components, and so on. Set attributes on Visualforce components to customize their behavior.