Can aura and LWC be used interchangeably?
It is possible to include LWC in Aura, but not the other way around as the generic elements cannot be added to the custom components.
How do you use Apex in Aura component?
Invoke Apex from Lightning Component | how to call an Apex class from a Lightning component
- Add Controller attribute in
- Define
How do you use Aura component in LWC?
How to use
- Create an LWC component with name childLWCComponent.
- Copy content from above code to childLWCComponent component.
- Create an aura app with name “Testapp.app”
- Copy content from above code sample to Testapp.app file.
- Navigate to “yourOrgBaseUrl/c/TestApp.app” to see the result.
How are apex controllers used in Lightning aura?
Apex provisions data that’s not managed and you must handle data refresh on your own. Apex controllers handle requests from client-side controllers. For example, a client-side controller might handle an event and call an Apex controller action to persist a record. An Apex controller can also load your record data.
How to wire APEX method to lightning component?
A client-side Lightning Data Service cache is checked before issuing the network call to invoke the Apex method on the server. To refresh stale data, call refreshApex(), because Lightning Data Service doesn’t manage data provisioned by Apex. Use this syntax to import an Apex method and wire it to a component.
When to use apex to write server side code?
Use Apex to write server-side code, such as controllers and test classes. Use Apex only if you need to customize your user interface to do more than what Lightning Data Service allows, such as using a SOQL query to select certain records. Apex provisions data that’s not managed and you must handle data refresh on your own.
How can I use apex to load data?
Alternatively, to load record data during component initialization, use the init handler, as shown in the Loading Record Data By Criteria section. When using Apex to load or provision data, you must handle data refresh on your own by invoking the Apex method again. Load records from an object in an Apex controller.