Hey guys, today in this post we are going to learn about How to Call an apex method imperatively and fetching contact record from database without @wire through lightning data-table in LWC.
Files we used in this post example:-
| lwcFetchContactRecord.html | Lightning Web Component HTML | Template HTML file for used to write HTML element for user interface. |
| lwcFetchContactRecord.js | Lightning Web Component JavaScript | It is importing Apex Class, Apex method, Object and fields from "@salesforce/apex/" |
| lwcFetchContactRecord.js-meta.xml | XML Meta File | It is used for where this lightning web component should be exposed. |
| lwcAppExampleApex.cls | Apex Controller | It is used for call apex method imperatively in LWC Javascript file. |
Live Demo
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Step 1:- Create Lightning Web Component : lwcFetchContactRecord
SFDX:Lightning Web Component >> New >> lwcFetchContactRecord
lwcFetchContactRecord [Lightning Web Component HTML]
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<template> <lightning-card> <h3 slot="title"> <lightning-icon icon-name="standard:contact" size="small"></lightning-icon> Fetching contact record from apex method without @wire </h3> <lightning-datatable data={contactData} columns={contactTable} key-field="Id"></lightning-datatable> <br/><br/> <!--Start RelatedTopics Section--> <div style="border:1px #ddd solid; padding:10px; background:#eee; margin:40px 0;"> <p data-aura-rendered-by="435:0"><img src="https://www.w3web.net/wp-content/uploads/2021/05/thumbsUpLike.png" width="25" height="25" style="vertical-align:top; margin-right:10px;" data-aura-rendered-by="436:0"><strong data-aura-rendered-by="437:0"><span style="font-size:16px; font-style:italic; display:inline-block; margin-right:5px;">Don't forget to check out:-</span><a href="https://www.w3web.net/" target="_blank" rel="noopener noreferrer" style="text-decoration:none;" data-aura-rendered-by="440:0">An easy way to learn step-by-step online free Salesforce tutorial, To know more Click <span style="color:#ff8000; font-size:18px;" data-aura-rendered-by="442:0">Here..</span></a></strong></p> <br/><br/> <p data-aura-rendered-by="435:0"><img src="https://www.w3web.net/wp-content/uploads/2021/07/tickMarkIcon.png" width="25" height="25" style="vertical-align:top; margin-right:10px;" data-aura-rendered-by="436:0"><strong data-aura-rendered-by="437:0"><span style="font-size:17px; font-style:italic; display:inline-block; margin-right:5px; color:rgb(255 128 0);">You May Also Like →</span> </strong></p> <div style="display:block; overflow:hidden;"> <div style="width: 50%; float:left; display:inline-block"> <ul style="list-style-type: square; font-size: 16px; margin: 0 0 0 54px; padding: 0;"> <li><a href="https://www.w3web.net/lwc-get-set-lightning-checkbox-value/" target="_blank" rel="noopener noreferrer">How to get selected checkbox value in lwc</a></li> <li><a href="https://www.w3web.net/display-account-related-contacts-in-lwc/" target="_blank" rel="noopener noreferrer">how to display account related contacts based on AccountId in lwc</a></li> <li><a href="https://www.w3web.net/create-lightning-datatable-row-actions-in-lwc/" target="_blank" rel="noopener noreferrer">how to create lightning datatable row actions in lwc</a></li> <li><a href="https://www.w3web.net/if-and-else-condition-in-lwc/" target="_blank" rel="noopener noreferrer">how to use if and else condition in lwc</a></li> <li><a href="https://www.w3web.net/get-selected-radio-button-value-and-checked-default-in-lwc/" target="_blank" rel="noopener noreferrer">how to display selected radio button value in lwc</a></li> </ul> </div> <div style="width: 50%; float:left; display:inline-block"> <ul style="list-style-type: square; font-size: 16px; margin: 0 0 0 54px; padding: 0;"> <li><a href="https://www.w3web.net/display-account-related-contacts-lwc/" target="_blank" rel="noopener noreferrer">display account related contacts based on account name in lwc</a></li> <li><a href="https://www.w3web.net/create-lightning-datatable-row-actions-in-lwc/" target="_blank" rel="noopener noreferrer">how to insert a record of account Using apex class in LWC</a></li> <li><a href="https://www.w3web.net/fetch-picklist-values-dynamic-in-lwc/" target="_blank" rel="noopener noreferrer">how to get picklist values dynamically in lwc</a></li> <li><a href="https://www.w3web.net/edit-save-and-remove-rows-dynamically-in-lightning-component/" target="_blank" rel="noopener noreferrer">how to edit/save row dynamically in lightning component</a></li> <li><a href="https://www.w3web.net/update-parent-object-from-child/" target="_blank" rel="noopener noreferrer">update parent field from child using apex trigger</a></li> </ul> </div> <div style="clear:both;"></div> <br/> <div class="youtubeIcon"> <a href="https://www.youtube.com/channel/UCW62gTen2zniILj9xE6LmOg" target="_blank" rel="noopener noreferrer"><img src="https://www.w3web.net/wp-content/uploads/2021/11/youtubeIcon.png" width="25" height="25" style="vertical-align:top; margin-right:10px;"/> <strong>TechW3web:-</strong> To know more, Use this <span style="color: #ff8000; font-weight: bold;">Link</span> </a> </div> </div> </div> <!--End RelatedTopics Section--> </lightning-card> </template> |
Step 2:- Create Lightning Web Component : lwcFetchContactRecord.js
SFDX:Lightning Web Component >> New >> lwcFetchContactRecord.js
lwcFetchContactRecord.js [LWC JavaScript File]
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import { api, LightningElement, track } from 'lwc'; import getContactList from '@salesforce/apex/lwcAppExampleApex.getContactList'; import {NavigationMixin} from 'lightning/navigation'; export default class lwcFetchContactRecord extends NavigationMixin (LightningElement) { @api title; @api greetings; @track contactData; @track conError; @track contactTable = [ {label:'First Name', fieldName:'FirstName', type:'text'}, {label:'Last Name', fieldName:'LastName', type:'text'}, {label:'Phone', fieldName:'Phone', type:'text'}, {label:'Email', fieldName:'Email', type:'email'}, ]; connectedCallback(){ getContactList() .then(result =>{ this.contactData = result; }) .catch(error =>{ this.conError=error; }); } } |
Step 3:- Create Lightning Web Component : lwcFetchContactRecord.js-meta.xml
SFDX:Lightning Web Component >> New >> lwcFetchContactRecord.js-meta.xml
lwcFetchContactRecord.js-meta.xml [LWC Meta Data XML]
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<?xml version="1.0" encoding="UTF-8"?> <LightningComponentBundle xmlns="http://soap.sforce.com/2006/04/metadata"> <apiVersion>45.0</apiVersion> <isExposed>true</isExposed> <targets> <target>lightning__AppPage</target> <target>lightning__RecordPage</target> <target>lightning__HomePage</target> </targets> <targetConfigs> <targetConfig targets="lightning__AppPage"> <property name="title" type="string"/> <property name="greetings" type="string"/> </targetConfig> </targetConfigs> </LightningComponentBundle> |
Step 4:- Create Apex Controller : lwcAppExampleApex.cls
SFDX:Create Apex Class >> New >> lwcAppExampleApex.cls
lwcAppExampleApex.cls [Apex Class]
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public with sharing class lwcAppExampleApex { @AuraEnabled public static List<Contact> getContactList(){ List<Contact> conList = [Select Id, FirstName, LastName, Email, Phone From Contact Where Email !=null ]; return conList; } } |
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Amazing article, and I have learned a lot