Hey guys, today in this post we are going to learn about how to Fetch picklist values dynamically through apex class method and display selected picklist value in Salesforce lightning web component – LWC.
Files we used in this post example
| lwcPicklistController.cls | Apex Class Controller | It is used for fetch the picklist value dynamically from server. |
| fetchPicklistValueLwc.html | Lightning Web Component HTML | Template HTML file for used to write HTML element for user interface. |
| fetchPicklistValueLwc.js | LWC JavaScript File | It is holding @Wire method function that is fetching the picklist value from database. |
| fetchPicklistValueLwc.js-meta.xml | XML Meta File | It is used for where this lightning web component you want to exposed. |
Live Demo
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Create Apex Class Controller →
Step 1:- Create Apex Controller : lwcPicklistController.cls
SFDX:Create Apex Class >> New >> lwcPicklistController.cls
lwcPicklistController.cls [Apex Class]
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public with sharing class lwcPicklistController { //fetch picklist values from custom object in lwc @AuraEnabled(cacheable=true) public static List < customValueWrapper > pickListValueDynamically(sObject customObjInfo, string selectPicklistApi) { Schema.DescribeSObjectResult objDescribe = customObjInfo.getSObjectType().getDescribe(); map < String, Schema.SObjectField > customFieldMap = objDescribe.fields.getMap(); list < Schema.PicklistEntry > custPickValues = customFieldMap.get(selectPicklistApi).getDescribe().getPickListValues(); list < customValueWrapper > customObjWrapper = new list < customValueWrapper > (); for (Schema.PicklistEntry myCustPick: custPickValues) { customValueWrapper selectOptionValueWrapper = new customValueWrapper(); selectOptionValueWrapper.custFldlabel = myCustPick.getLabel(); selectOptionValueWrapper.custFldvalue = myCustPick.getValue(); customObjWrapper.add(selectOptionValueWrapper); } return customObjWrapper; } // wrapper class public with sharing class customValueWrapper { @auraEnabled public string custFldlabel {get;set;} @auraEnabled public string custFldvalue {get;set;} } } |
Create Lightning Web Component →
Step 2:- Create Lightning Web Component : fetchPicklistValueLwc.html
SFDX:Lightning Web Component >> New >> fetchPicklistValueLwc.html
fetchPicklistValueLwc.html [Lightning Web Component HTML]
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<template> <lightning-card title="Dynamically fetch picklist values from custom object in LWC" icon-name="custom:custom25"> <div class="slds-p-horizontal--medium"> <label class="slds-form-element__label">Target Actuals</label> <div class="slds-form-element__control"> <div class="slds-select_container"> <select class="slds-select" onchange={selectOptionChanveValue}> <option value="">---None---</option> <template for:each={selectTargetValues.data} for:item="selectOptItem"> <option key={selectOptItem.custFldvalue} value={selectOptItem.custFldvalue}> {selectOptItem.custFldlabel} </option> </template> </select> </div> </div> <br/> <b>Selected Picklist Value Is:-</b> <span style="color:brown; font-weight:bold;"> {picklistVal}</span> </div> <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> |
Create LWC JavaScript File →
Step 3:- Create Lightning Web Component : fetchPicklistValueLwc.js
SFDX:Lightning Web Component >> New >> fetchPicklistValueLwc.js
fetchPicklistValueLwc.js [LWC JavaScript File]
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import { LightningElement,track,wire } from 'lwc'; import pickListValueDynamically from '@salesforce/apex/lwcPicklistController.pickListValueDynamically'; export default class FetchPicklistValueLwc extends LightningElement { @track picklistVal; @wire(pickListValueDynamically, {customObjInfo: {'sobjectType' : 'scoreCard__c'}, selectPicklistApi: 'targetVSActuals__c'}) selectTargetValues; selectOptionChanveValue(event){ this.picklistVal = event.target.value; } } |
Create LWC Meta Data XML →
Step 4:- Create Lightning Web Component : fetchPicklistValueLwc.js-meta.xml
SFDX:Lightning Web Component >> New >> fetchPicklistValueLwc.js-meta.xml
fetchPicklistValueLwc.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> </LightningComponentBundle> |
Further post that would you like to learn in LWC
FAQ (Frequently Asked Questions)
What is dynamic picklist in Salesforce?
Dynamic Picklists are multiple-choice questions that get their list of choices directly from Salesforce. Values are populated from Salesforce when the form loads, so the choices in your picklist always stay current without having to refresh the schema.
What is restricted picklist in Salesforce?
You can make a custom multi-select picklist field into a restricted picklist only if the picklist has fewer than 500 values. A restricted picklist's values are limited to only those values defined by a Salesforce admin, which prevents users from loading redundant or erroneous values through the API.
How do you get picklist values dynamically in Apex?
To fetch the picklist values in Apex dynamically, we need to make an extra call to getGlobalDescribe() to get the Schema. SObjectType of that particular object. Then, we can use it to fetch the DescribeSobjectResult. Once we get the DescribeSobjectResult, we need to call fields.
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I hope this tutorial is for advance SFDC developers. Thanks for sharing such kind information. I will pass it on with the friends.
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