Example of Custom Settings to get all values from List Custom Setting Using Apex Class Method in Lightning Component Salesforce | fetch all value from custom setting in salesforce

Hey guys, today in this post we are going to learn about How to get all values from List Custom Setting Using Apex Class Method in Lightning Component Salesforce

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Files we used in this post example

myCustomSettingApp.app	Lightning Application	It is used for call the component to preview on browser.
myCustomSettingCmp.cmp	Lightning Component	It is used for create a table for display the Custom Setting’s Values
myCustomSettingCmpController.js	JavaScript Controller File	It is hold Javascript doInit functionality.
myCustomSettingCmpHelper.js	JavaScript Controller Helper File	It is hold for Javascript Helper Function to get Custom setting values from apex method
myCustomSettingCtrl.apxc	Apex Class Controller	It is used for get Custom setting values from Apex Class Method

Live Demo

You can download file directly from github by Click Here.

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Create Lightning Application

Step 1:- Create Lightning Application : myCustomSettingApp.app

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

myCustomSettingApp.app [Component Application File]

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

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

Create Lightning Component

Step 2:- Create Lightning Component : myCustomSettingCmp.cmp

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

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myCustomSettingCmp.cmp [Lightning Component File]

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

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

    <aura:attribute name="studentInfoList" type="List" />

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

```
        <h2></h2>
```
```
        <br/>
```

        <table class="slds-table slds-table--bordered slds-table--col-bordered" style="width:50%; border:1px #ddd solid;">

```
            <thead>
```

                <tr style="background-color:#ddd;">

                    <th style="background:#eee;">Student Name</th>

                    <th style="background:#eee;">Course</th>

                    <th style="background:#eee;">Course Duration</th>

                    <th style="background:#eee;">City</th>

```
                </tr>
```
```
            </thead>
```
```
            <tbody>
```

                <aura:iteration items="{!v.studentInfoList}" var="listItem">

```
                    <tr>
```

                        <td>{!listItem.Student_Name__c}</td>

                        <td>{!listItem.Course__c}</td>

                        <td>{!listItem.Course_Duration__c}</td>

                        <td>{!listItem.City__c}</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>

```
 
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            <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>
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            </div>
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```
 
```

            <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;">

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```
                    </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>

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

Create Component JavaScript Controller

Step 3:- Create Lightning Component : myCustomSettingCmpController.js

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

myCustomSettingCmpController.js [JavaScript Controller]

```
   ({
```

    doInit: function(component, event, helper) {

        helper.studentInfoHelper(component, event, helper);

```
    },
```
```
 
```
```
})
```

Create Component JavaScript Helper

Step 4:- Create Lightning Component : myCustomSettingCmpHelper.js

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

myCustomSettingCmpHelper.js [JavaScript Helper File]

```
  ({
```

	studentInfoHelper : function(component, event, helper) {

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

        action.setCallback(this, function(response) {

            var state = response.getState();

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

                var results= response.getReturnValue();

                //alert(JSON.stringify(results));

                component.set("v.studentInfoList", results);

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

Create Apex Class Controller

Step 5:- Create Apex Class : myCustomSettingCtrl.apxc

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

myCustomSettingCtrl.apxc [Apex Class Controller]

```
  public class myCustomSettingCtrl {
```
```
 
```
```
    @AuraEnabled
```

    public static List<Student_Information__c>  studentInfoDetails()

```
    {        
```
```
 
```

       List<Student_Information__c> studentInfoList = Student_Information__c.getAll().values();

```
 
```
```
       RETURN studentInfoList;
```
```
    }
```
```
 
```
```
 
```
```
}
```

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FAQ (Frequently Asked Questions)

What are the custom settings in Salesforce?

Custom settings are similar to custom objects in that they let you customize org data. Unlike custom objects, which have records based on them, custom settings let you utilize custom data sets across your org. Custom settings also let you distinguish particular users or profiles based on custom criteria.

What are the custom settings types?

Custom Setting are of 2 types Hierarchy Custom Settings and List Custom Setting.

Can we deploy custom setting?

You can deploy the custom Settings using changeset or any other migration tool using the CustomObject metadata. If you are going with the changeset then you can search for the custom setting name under the Custom Object component.