How to wrapper class retrieve all the values in Salesforce Lightning Component | how to pass wrapper class instance to fetch record from custom object in Salesforce lightning component

Hey guys, In this post we are going to learn about that how to Wrapper class Retrieve all the Values in Salesforce lightning component.

In this example we will fetch all the values from Custom sObject by help of wrapper apex class in lightning component.

Don’t forget to check out:- How to return data from multiple objects using wrapper class in lightning component Click Here For More Information

Files we used in this post example:-

File Name	File Type	Description
wrapperClassCustomObjApp.app	Lightning Component Application	It is used for Call the component to preview the output on browser.
wrapperClassCustomObjCmp.cmp	Lightning Component Application	It is used to user interface display on the client side.
wrapperClassCustomObjCmpConroller.js	JavaScript Controller File	It is used for client side javascript function.
wrapperClassCustomObjCmpConrollerHelper.js	JavaScript Helper File	Helper called in the Javascript controller Init function.
wrapperCustomObjCtrCmp.apxc	Apex Class Controller	For retrieve all the record from database server
Custom Object:- NewStudent__c Custom Object Fields:- Id, Name, Email__c, Address__c	Custom Object and their fields	Custom object like database and custom fields are column of data table.

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Step 1:- Create Lightning Application : wrapperClassCustomObjApp.app

From Developer Console >> File >> New >> Lightning Application

wrapperClassCustomObjApp.app [Component Application File]

   <aura:application extends="force:slds">

```
    <c:wrapperClassCustomObjCmp/>    
```
```
   </aura:application>
```

Step 2:- Create Lightning Component : wrapperClassCustomObjCmp.cmp

From Developer Console >> File >> New >> Lightning Component

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wrapperClassCustomObjCmp.cmp [Lightning Component File]

   <aura:component controller="wrapperCustomObjCtrCmp" implements="force:appHostable,flexipage:availableForAllPageTypes,flexipage:availableForRecordHome,force:hasRecordId,forceCommunity:availableForAllPageTypes,force:lightningQuickAction,lightning:isUrlAddressable" access="global" >

```
 
```

    <aura:attribute name="wrapListItems" type="NewStudent__c[]"/>

    <aura:handler name="init" value="{!this}" action="{!c.doInit}"/>

    <aura:attribute name="recSelectId" type="String" default=""/>

```
 
```

    <div class="slds slds-p-horizontal--medium">

        <table class="slds-table slds-table--bordered slds-table--col-bordered" style="border-collapse:collapse;">

```
            <thead> 
```
```
                <tr>
```

                    <th>Student Name</th>

```
                    <th>Email</th>
```
```
                     <th>Address</th>
```
```
                </tr>
```
```
            </thead>
```
```
            <tbody>
```

                <aura:iteration items="{!v.wrapListItems}" var="wrapVar" indexVar="index">

                    <tr id="{!wrapVar.recStudentId}">

                        <td>{!wrapVar.studentName}</td>

                        <td>{!wrapVar.studentEmail}</td>

                        <td>{!wrapVar.studentAddress}</td>

```
                    </tr>
```
```
                </aura:iteration>
```
```
            </tbody>
```
```
        </table>
```
```
 
```
```
<br/><br/>
```
```
   
```

<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;">

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```
                    </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>
```
```
 
```
```
  
```
```
 
```
```
 
```
```
     </div>
```
```
 
```
```
</aura:component>
```

Step 3:- Create Lightning Component : wrapperClassCustomObjCmpConroller.js

From Developer Console >> File >> New >> Lightning Component >> JavaScript Controller

wrapperClassCustomObjCmpConroller.js [JavaScript Controller]

```
   ({
```

	doInit : function(component, event, helper) {

```
 
```

	  var action = component.get("c.appCustomWrapListMthd");

        action.setCallback(this, function(response){

            var state = response.getState();

```
            if(state=='SUCCESS'){
```

                var result = response.getReturnValue();

                component.set('v.wrapListItems',result);

```
            }
```
```
        });
```
```
        $A.enqueueAction(action);
```
```
	},    
```
```
 
```
```
     })
```

Step 4:- Create Lightning Component : wrapperClassCustomObjCmpConrollerHelper.js

From Developer Console >> File >> New >> Lightning Component >> JavaScript Helper

wrapperClassCustomObjCmpConrollerHelper.js [JavaScript Helper File]

```
   ({
```

	refreshView : function(component, event, helper) {

		var action = component.get("c.appCustomWrapListMthd");

```
 
```

        action.setCallback(this, function(response){

            var state = response.getState();

```
            if(state=='SUCCESS'){
```

                var result = response.getReturnValue();

                component.set('v.wrapListItems',result);

```
            }
```
```
        });
```
```
        $A.enqueueAction(action);
```
```
	}
```
```
})
```

Step 5:- Create Lightning Application : wrapperCustomObjCtrCmp.apxc

From Developer Console >> File >> New >> Apex Class

wrapperCustomObjCtrCmp.apxc [Apex Class Controller]

   public class wrapperCustomObjCtrCmp {

```
 
```
```
    public class wrapperCustomClass{
```
```
        @AuraEnabled
```
```
        public string studentName;
```
```
        @AuraEnabled
```
```
        public string studentEmail;
```
```
        @AuraEnabled
```
```
        public string studentAddress;
```
```
        @AuraEnabled
```
```
        public Id recStudentId;
```
```
 
```

        public wrapperCustomClass(string studentName, string studentEmail, string studentAddress, Id recStudentId){

         this.studentName = studentName;

         this.studentEmail = studentEmail;

         this.studentAddress = studentAddress;

         this.recStudentId = recStudentId;

```
 
```
```
        }
```
```
 
```
```
    }
```
```
 
```
```
 
```
```
    @AuraEnabled
```

    public static List<wrapperCustomClass> appCustomWrapListMthd(){

       List<NewStudent__c> newStudent = NEW List<NewStudent__c>();

       List<wrapperCustomClass> custWrapObj = NEW  List<wrapperCustomClass>();

       List<NewStudent__c> newStudentView =[SELECT Id, Name, Email__c, Address__c FROM NewStudent__c];

```
 
```

        Set<Id> projChecklistIdSet= NEW Set<Id> ();

        FOR(NewStudent__c de: newStudentView) {

            projChecklistIdSet.add(de.Id);

```
        }
```
```
 
```

        FOR(NewStudent__c studentObj:newStudentView){

            custWrapObj.add(NEW wrapperCustomClass(studentObj.Name,studentObj.Email__c, studentObj.Address__c,studentObj.Id));

```
        }        
```
```
        RETURN custWrapObj;       
```
```
       }     
```
```
   }
```

TechW3web:- To know more, Use this Link

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FAQ (Frequently Asked Questions)

What is a wrapper class apex?

A wrapper or container class is a class, a data structure that contains different objects or collections of objects as its members. A wrapper class is a custom object defined by a programmer wherein he defines the wrapper class properties.

Why do we use wrapper class in Apex?

A wrapper class is used mainly to wrap data collected from the present objects to a new object. A sObject is defined as a distinct type that doesn't include a database or any relevant field; it doesn't have any API page but is definitely a valid object.

What is wrapper class explain?

A Wrapper class is a class whose object wraps or contains primitive data types. When we create an object to a wrapper class, it contains a field and in this field, we can store primitive data types. In other words, we can wrap a primitive value into a wrapper class object.

How to wrapper class retrieve all the values in Salesforce Lightning Component | how to pass wrapper class instance to fetch record from custom object in Salesforce lightning component

Files we used in this post example:-

wrapperClassCustomObjApp.app [Component Application File]

wrapperClassCustomObjCmp.cmp [Lightning Component File]

wrapperClassCustomObjCmpConroller.js [JavaScript Controller]

wrapperClassCustomObjCmpConrollerHelper.js [JavaScript Helper File]

wrapperCustomObjCtrCmp.apxc [Apex Class Controller]

What is a wrapper class apex?

Why do we use wrapper class in Apex?

What is wrapper class explain?

Related Topics | You May Also Like

Vijay Kumar

Files we used in this post example:-

wrapperClassCustomObjApp.app [Component Application File]

wrapperClassCustomObjCmp.cmp [Lightning Component File]

wrapperClassCustomObjCmpConroller.js [JavaScript Controller]

wrapperClassCustomObjCmpConrollerHelper.js [JavaScript Helper File]

wrapperCustomObjCtrCmp.apxc [Apex Class Controller]

What is a wrapper class apex?

Why do we use wrapper class in Apex?

What is wrapper class explain?

Related Topics | You May Also Like

Vijay Kumar

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