Integrating Apex with LWC using Imperative Apex Calls - Salesforce

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Introduction
In this post, we'll explore the process of integrating an Apex class with a Lightning Web Component (LWC) using imperative Apex calls. Imperative calls are a powerful way to invoke server-side logic based on user interaction, giving developers full control over when and how Apex methods are executed.
For this demonstration, we'll work with a simple Apex class that performs an arithmetic addition operation and displays the result. We'll then build a LWC to call this Apex class imperatively, allowing users to input numbers and view the result on the screen.
Prerequisites
Basic understanding of Lightning Web Components (LWC)
Familiarity with Salesforce Apex
A Salesforce Developer Org
Key Takeaways
1. Imperative Apex gives you full control over when to call server-side logic from your LWC. This method is well-suited for operations that require user interaction, like form submissions or button clicks.
2.Apex methods need to be annotated with @AuraEnabled to be called from LWC.
3.Handling Promises is important for working with imperative Apex, as you need to ensure success and error scenarios are handled properly.
Conclusion
In this blog, we covered the complete process of calling Apex methods imperatively from a Lightning Web Component. This technique gives you the flexibility to invoke server-side logic based on user-triggered events. With a working example of an arithmetic operation, you now have a solid foundation to build more advanced components that communicate with Salesforce Apex.
🔗 Helpful Resources:
Salesforce Developer Documentation on LWC: developer.sale...
Imperative Apex Calls in LWC: developer.sale...
#Salesforce #LWC #Apex #SalesforceDevelopment #LightningWebComponents #ImperativeApex #PrimitiveDataTypes