Salesforce Lightning : Practical Coding Examples

Fetch account and contact records in a single server-side call using a map to reduce the number of server-side calls and improve Salesforce Lightning app performance.

Learn how to use inner SOQL to display accounts with their related contacts, fetching records via a service call and rendering a connected account–contact list in the UI.

Learn to display SObject data in a data table with a Lightning component by defining columns (label, field name, type) and binding them to contact records fetched via server-side method.

Learn to evaluate multiple conditions in aura:if using and, or, and nested branches in a Salesforce lightning component, illustrated with apples, grapes, mango, and orange examples.

Learn to fetch dynamic picklist values from a Salesforce object in a Lightning component using dynamic Apex, populate a Lightning combobox with label and value options, and handle change events.

Learn to play YouTube videos in a Lightning component by copying the embed code from YouTube and pasting it into the component, then adjust height and autoplay.

Learn how to use list views in a lightning component to display and customize contact records, including creating, naming, sharing, adding filters, and using the lightning base component for preview.

Learn to add a quick action button on the account layout that renders a lightning component, using object manager and the list view interface to show contacts.

Learn to implement a Salesforce Lightning tabs set with multiple tabs, track the active tab via a selected tab id, and navigate between steps using back and next controls.

Show how to implement a multi-step progress bar in Salesforce Lightning using a step-based component, binding a current-step attribute, and wiring next/previous controls to reveal steps.

Learn to use a wrapper class in lightning components to bundle contacts, the number of contacts, and a message, then display them in a lightning design system data table.

Learn to select and delete records in Salesforce lightning using a wrapper class, with a checkbox for selection, a service call to fetch records, and a DML delete operation.

Create a Salesforce Lightning UI to send emails by adding email, subject, and body inputs, a send button, and a handler that submits when required fields are filled.

Explore the Apex Messaging class to validate emails and alert when invalid. Build a single email message with subject, body, and reply-to, then send to recipients via a list.

Execute the controller to send mail through a service call, set the mail status to true on success, and display a lightning design system prompt confirming the email was sent.

Learn an event-driven search in Lightning by linking a search component to a contact table through a component event, triggering server-side search and rendering a reusable contact list.

fetches product data via a server-side controller in a Lightning component, displays it in a table, and enables csv download by composing a comma-separated, line-delimited string and triggering a link.

Learn to implement pagination in a Salesforce Lightning component by displaying 10 records per page, using first, previous, next, and last buttons, and calculating max pages from total records.