What is LDS in LWC Salesforce?
Lightning Data Service (LDS) is an intermediate layer between Lightning Components (both LWC and Aura) and User Interface API of Salesforce, it runs on the browser. The records loaded in Lightning Data Service are cached on the browser and shared across all components on the page.
What is lightning data service in Salesforce?
Lightning Data Service is a centralized data caching framework which is used to load, save, create and delete a record without server-side apex code. It supports the sharing rules and field-level security as well.
Can we use LDS in LWC?
We can use LDS in our Lightning components to perform CRUD operations like create,read,update a record without use of any Apex code. Now we see how to implement LDS in LWC.
Can LDS be used for multiple records?
1. LDS is applicable to operate on a particular or single record at once. LDS is not supported for multiple records at once.
What is the difference between aura and LWC?
Aura and LWC can be able to communicate using Public API's and Events. LWC can be embedded inside Aura Components, but Aura Components cannot be embedded inside LWC.
What is wire in LWC?
Lightning web components(LWC) use a reactive wire service, which is built on Lightning Data Service. Components use @wire in their JavaScript class to read data from one of the wire adapters in the lightning/ui*Api modules and also to call the apex controller server-side methods using wire services.
Can we use LDS for custom objects?
Note: LDS supports all the standard and custom objects that User Interface API supports but it does not support External objects, person accounts, and custom metadata types.
Can we call flow from LWC?
Flows cannot be embedded in LWC at this time.
Can we call Aura in LWC?
LWC component function should be declared as public starting using @api decorator. We can invoke the LWC component through the Aura component using aura:id.
Why do we use LDS?
LDS is the Lightning Components counterpart to the Visualforce standard controller, providing access to the data displayed on a page. Without LDS, each component within an app makes independent calls to the server to perform CRUD operations on a record, even if all components in the app pull from the same record data.
What is force record data in Salesforce?
A force:recordData component defines the parameters for accessing, modifying, or creating a record using Lightning Data Service. You have granular control on how you want to display or render the data in your custom component.
How do I select multiple records in Salesforce?
Allow for selecting multiple records in list view of Salesforce Mobile application. On desktop, we can have a custom list button and perform action on multiple records by selecting checkbox that appears in front of each row.