Category: learn LWC
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LWC and Lightning Message Service (LMS)
Introduction Lightning Message Service (LMS) is a powerful communication mechanism in Salesforce that enables cross-component communication between Lightning Web Components (LWC), Aura Components, and Visualforce Pages without requiring direct relationships. When to Use LMS Setting Up Lightning Message Service LMS requires the following steps: Step 1: Creating a Lightning Message…
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LWC Deployment & Best Practices
Introduction Deploying Lightning Web Components (LWC) effectively and following best practices ensures maintainability, performance, and seamless integration into the Salesforce ecosystem. This guide covers deployment methods and essential best practices for LWC development. Deployment Methods There are multiple ways to deploy LWC components in Salesforce: 1. Using Salesforce CLI Salesforce…
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Working with Lightning Data Table in LWC
Introduction The lightning-datatable component in LWC is a powerful way to display records in a structured table format with built-in features like sorting, inline editing, pagination, and row selection. Key Features of lightning-datatable Basic lightning-datatable Example Fetching and Displaying Account Data Apex Class (AccountController.cls) LWC JavaScript (accountTable.js) LWC HTML (accountTable.html)…
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LWC Styling & SLDS
Introduction Styling in Lightning Web Components (LWC) follows standard web development practices with the added advantage of Salesforce Lightning Design System (SLDS). LWC provides multiple ways to apply styles to components while maintaining encapsulation. Different Ways to Style LWC 1. Scoped CSS (Component-Specific Styling) Each LWC component has its own…
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Navigation in LWC
Introduction Navigating between pages in Salesforce is a common requirement. LWC provides the NavigationMixin module to handle navigation within Salesforce, allowing components to navigate to records, list views, web pages, and more. Importing NavigationMixin To use navigation in LWC, import NavigationMixin from lightning/navigation: Navigating to a Record Page To navigate…
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Apex Integration in LWC
Introduction While Lightning Data Service (LDS) is great for simple record operations, there are scenarios where you need to fetch, manipulate, or process data using Apex. Apex Integration in LWC allows you to call server-side logic, retrieve complex datasets, and perform operations beyond standard LDS capabilities. When to Use Apex…
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Lightning Data Service (LDS) in LWC
Introduction Lightning Data Service (LDS) allows Lightning Web Components (LWC) to interact with Salesforce records without requiring Apex. It provides built-in caching, security, and CRUD operations, making data management efficient and performance-optimized. LDS offers the following key features: Fetching a Record Using lightning-record-form lightning-record-form is the easiest way to display,…
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Events in LWC
Introduction Events in Lightning Web Components (LWC) enable communication between components, allowing parent and child components to interact dynamically. LWC uses the Event API to handle event-driven programming efficiently. There are two main types of communication using events: Child to Parent Communication (Custom Events) When a child component wants to…
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Data Binding in LWC
Introduction Data binding in Lightning Web Components (LWC) allows developers to link data between the JavaScript controller and the HTML template. It enables dynamic updates of the UI without manually manipulating the DOM. LWC supports one-way and two-way data binding, making it easy to manage state and interactivity. One-Way Data…
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LWC Component Structure & Lifecycle
Understanding LWC Component Structure Each LWC component consists of multiple files that define its UI, logic, styling, and metadata. Here’s a breakdown of the key files: 1. HTML File (.html) Defines the user interface of the component using standard HTML syntax. 2. JavaScript File (.js) Contains the component’s logic, event…
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