What is getRecord?
What is getRecord?
getRecord() Returns the record that is currently in context, based on the value of the id query string parameter in the Visualforce page URL.
What is Apexpages StandardController?
StandardController objects reference the pre-built Visualforce controllers provided by Salesforce. The only time it is necessary to refer to a StandardController object is when defining an extension for a standard controller. StandardController is the data type of the single argument in the extension class constructor.
What is standard set controller in Salesforce?
StandardSetController objects allow you to create list controllers similar to, or as extensions of, the pre-built Visualforce list controllers provided by Salesforce.
How do you use getRecord in LWC?
How to use getRecord in LWC
- Import the named imports getRecord() and getFieldValue() from the package lightning/uiRecordApi .
- Import the reference to the fields that we wish to display back to the users.
- Wire the output of the out of the box method getRecord() to the property account.
What is getRecord in LWC?
Use this wire adapter to get a record’s data. recordId —(Required) The ID of a record from a supported object. fields —(Either fields or layoutTypes is required) A field or an array of fields to return. If the context user doesn’t have access to a field, an error is returned.
What is controller extension in Salesforce?
A controller extension is an Apex class that extends the functionality of a standard or custom controller. Use controller extensions when: You want to leverage the built-in functionality of a standard controller but override one or more actions, such as edit, view, save, or delete.
What is a list controller in Salesforce?
Standard list controllers allow you to create Visualforce pages that can display or act on a set of records. Examples of existing Salesforce pages that work with a set of records include list pages, related lists, and mass action pages. Standard list controllers can be used with the following objects: Account.
What is StandardSetController why we use it?
What is database Querylocator in Salesforce?
Database.getQueryLocator in Salesforce returns a Query Locator that runs your selected SOQL query returning list that can be iterated over in batch apex or used for displaying large sets in VF.
What is connected callback?
The connectedCallback() is a lifecycle hook in lightning web component . It fires when a component is inserted into the DOM. It runs once when the component inserted. connectedCallback() in Lightning Web Component flows from parent to child.
What is difference between controller and extension in Salesforce?
Use custom controllers when you want your Visualforce page to run entirely in system mode, which does not enforce the permissions and field-level security of the current user. A controller extension is an Apex class that extends the functionality of a standard or custom controller.
How many types of controllers are there in Salesforce?
Once you dig deeper into it, you learn that the language supports three main types (and two variants) of controllers: Standard (List and Set), Custom and Extensions…
