How do you call the APEX method in lightning Web component?

How do you call the APEX method in lightning Web component?

Lightning web components can import methods from Apex classes into the JavaScript classes using ES6 import. import apexMethod from ‘@salesforce/apex/Namespace. Classname. apexMethod’;…To call an Apex method, a Lightning web component can:

  1. Wire a property.
  2. Wire a function.
  3. Call a method imperatively.

How do you call wired 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.

How do you call the apex imperatively?

Call Apex Methods Imperatively

  1. To call a method that isn’t annotated with cacheable=true , which includes any method that inserts, updates, or deletes data.
  2. To control when the invocation occurs.
  3. To work with objects that aren’t supported by User Interface API, like Task and Event.

How do you wire LWC?

Wire Service Syntax Import a wire adapter using named import syntax. import { wire} from ‘lwc’ ; Decorate a property or function with @wire and specify the wire adapter.

How do you call an aura controller?

Invoke Apex from Lightning Component | how to call an Apex class from a Lightning component

  1. Add Controller attribute in
  2. Define

How to call APEX method using wire service?

In this way, you can Call Apex Method Using Wire Service in LWC. Call Apex Method Imperatively in LWC. To call the apex method imperatively, we need to import the method from @salesforce/apex/ module in variable accounts. Then we can use this variable to call the method and pass the parameters if required. This method will return the Promise.

How to wire APEX methods to lightning Web Components?

To read Salesforce data, Lightning web components use a reactive wire service. Use @wire in a component’s JavaScript class to specify an Apex method. You can @wire a property or a function to receive the data. To operate on the returned data, @wire a function.

How to call APEX method in LWC ( imperatively )?

Add method changeSearchText which is onchange handler that will be called when the input text is changed. Store the search text value in strSearchText. In HTML file, we will loop through the lstAccount.data using for:each and display it on UI.

Can a web component import methods from apex?

Lightning web components can import methods from Apex classes. The imported methods are functions that the component can call either via @wire or imperatively. Before you use an Apex method, make sure that there isn’t an easier way to get the data.