Below is my lightning component bundle and apex controller code. A record may have blank values in SLA__c field. Purpose of this component is to update this field.

Apex Controller:

public with sharing class AccountListController {
    public static List<Account> getAccountList() {
        return [SELECT Id,Name,SLA__c FROM Account];

Component Markup:

<aura:component controller="AccountListController">
    <aura:attribute name="accounts" type="Account[]" />
    <aura:handler name="init" value="{!this}" action="{!c.init}"/>

    <h2>Account Details</h2>

        <ul class="list-group">
            <li class="list-group-item">
                <div class="form-inline">            
                    <aura:iteration items="{!v.accounts}" var="account">
                       <ui:inputText value="{!account.SLA__c}" required="true"/>
                        <button type="button" class="btn btn-primary mr-2" onclick="{!c.myAction}">Update</button>


JS Controller:

    init : function(component, event, helper) {
        console.log('in init');
        var action = component.get("c.getAccountList");
        action.setCallback(this, function(response) {
           var state = response.getState();
            if (component.isValid() && state === 'SUCCESS') {
                component.set("v.accounts", response.getReturnValue());


    myAction : function(component, event, helper) {
        var accounts = component.get('v.accounts');
        for(var i=0; i<accounts.length;i++)
        /*account.Name = 'New Name';
        account.isSelected = false;
        component.set('v.account', account);


Scenario-1 - When a user updates blank SLA__c field on a record to some value and clicks on update button, in my JS controller action method updated value is not received for that record. In console it always displays undefined.

Scenario-2 - If a record already has some value in SLA__c field and user updates it to a new value then new values is received in the JS controller action method.

Has anyone encountered the same problem? How to solve it?

  • 1
    Feel your pain. At least you can use sObjects as attributes, I cannot event do that cause I get a GACK when trying to pass back to apex controller. But I digress.....Is locker service enabled? If so try disabling it. I know when using JSON I have to explicitly set each property to '' in order to have it be usable in lightning. I have a post here about it but not sure it is relevant until you answer the locker service question – Eric Feb 19 '17 at 17:31
  • @Eric - No, locker service is not enabled. Please share your post URL. – doga Feb 20 '17 at 0:46
  • May not be relevant since locker is not enabled but: salesforce.stackexchange.com/questions/156539/… – Eric Feb 20 '17 at 0:53
  • @Eric - Is it happening because JSON string returned from server-side doesn't even contain that field? – doga Feb 20 '17 at 1:15
  • Not sure. U r using sObject I am using string. In my case yes it is a bug / known issue according to Doug in the comments – Eric Feb 20 '17 at 1:17

I had the similar issue with ui:inputCheckbox, the workaround I did is to iterate over the records and set the default value to false.

For your case, iterate over the account records and set a default value to SLA__c on records with no value for SLA__c and create a new instance of the array by doing JSON.stringify and JSON.parse respectively.

if (component.isValid() && state === 'SUCCESS') {
    var accounts = response.getReturnValue();
            acc.SLA__c = '';
    component.set("v.accounts", JSON.parse(JSON.stringify(accounts)));

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