Questions tagged [aura-handler]
The aura-handler tag has no usage guidance.
24
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40
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I want to use Upsert operation in my handler class
I have One trigger and one handler to call my two batch insert and update batch class.
when running the code I get an error(error:>> first error: UNABLE_TO_LOCK_ROW) when I do update and insert ...
1
vote
1
answer
432
views
Refresh custom lightning component when another custom lightning component call refresh
I have two custom components added in flexipage. I want to refresh component A with latest data when a certain action is performed on component A
// cmp 1
<aura:component implements="...
- 190
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184
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Blank white window while calling aura component
Hello everyone
I created my aura component and added it like a button.
First I created an action in (Buttons, Links and Actions) section on object and then added it in (page layouts) ->(Salesforce ...
- 3
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1
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4k
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Get field value of current record in Aura component
I have an auro component where I created an input field and I want its value to come from the AccountID field. The component is placed on related object detail page.
<aura:component controller=&...
- 21
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771
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Aura handler is calling his action twice
<aura:handler event="c:ResultApplicationEvent" action="{!c.onResultHandler}" />
This is an aura Handler. this is the only handler present in my project which is handling ...
0
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1
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84
views
i am trying to insert Contact details using lightning cpmponent but it showing error. here is my code
apex controller
public class lightningContactSave {
@auraEnabled
public static string save(string firstName, string lastName, string email, string phone){
Contact con = new Contact(...
- 23
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1
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382
views
How to detect list element data changes with "change" handlers?
Accordingly to the documentation, the special aura change handler can be used to detect when a value in one of the component's attributes changes.
Everything is fine with attributes of type Boolean, ...
- 743
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82
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The application event not working [duplicate]
I know what I am asking is a very basic example question. But I am trying to understand the application event using an example and it is not working. I tried to figure it out all by myself for a long ...
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9
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7k
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Custom message in AuraHandledException: is it possible?
How about situations, when I haven't Exception (it's not try/catch), but I still need to send a custom error message to the toast? When I try to use throw new AuraHandledException('My custom msg here')...
- 115
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2
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362
views
Why I can't see my error msg from apex in lightning component?
What is wrong here? I see only Error on toast.
let toastEvent = $A.get("e.force:showToast");
action.setCallback(this,function(a){
let state = a.getState();
if(state == "...
- 115
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773
views
How to handle more than 50k records in lightning component
How can we handle more than 50k records without using any offset/pagination in lightning controller.We need to display more than 50k records in lightning component.Can any one has idea?
- 35
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1k
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Get Field Label dynamically with aura:changeValue in Lightning Component
My requirement is whenever a field is changed and is updated I need to get the field label and sent that in mail saying that the field is updated. Now by using <aura:valueChange> I was able to ...
- 1,085
3
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1
answer
5k
views
How to add listener for toast notifications?
I want to perform an action when a notification happens in my app. The toast event is raised by SFDC which means I do not have access to the calling code.
I have tried adding a handler to the force:...
- 3,866
3
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1
answer
2k
views
AuraHandlerException - Exception handlers should preserve the original exception
We have SonarQube setup for our org to scan for code quality. One code issue I get when using AuraHandlerException is -
When handling a caught exception, the original exception's message and stack ...
- 4,671
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445
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Detecting Data Changes with Change Handlers
I am looking at this example in the Developer Guide, and I can't replicate this in my instance. What am I doing wrong? Here is a snippet.
<!-- Lookup Attributes -->
<aura:attribute name="...
- 1,050
-2
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1
answer
3k
views
How to cover the line throw new AuraHandledException in the last method on the AuxilioResidDetalhesAlterContratoCtrl to the test class?
How to cover the line if (minhaSolicitacao == null) {
throw new AuraHandledException('Registro não encontrado'); in the last method on the AuxilioResidDetalhesAlterContratoCtrl to the ...
1
vote
1
answer
750
views
Lightning: Detecting attribute changes after initial value
My problem is related with the 'change' event on a component attribute.
I only want to execute a code after this attribute is initialized by the parent component. For example:
<!-- CHILD ...
- 322
2
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1
answer
2k
views
How to handle an event in a child component that is fired from a dynamically created grandchild component?
I have a component that includes a child component. The child component has a button that fires showCustomModal on an overlayLibrary and the content is a dynamically created component.
Component ...
1
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3
answers
1k
views
$A.get("e.c:applicationEvent") always returns undefined
I have no idea what's going wrong, so I'll just paste all the code I've got and let you share in the madness. Basically I want to fire an application event that takes the value from a lightning:input ...
- 59
11
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1
answer
20k
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lightning:spinner solution that finally works (using custom events, not aura:waiting)
Lightning components without a working loading indicator are just not professional.
Too bad that there is not code example out there that seems to work under real-world circumstances.Every blog out ...
- 36.4k
3
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2k
views
How do I get the old value of a select in Lightning?
I have an ui:inputSelect in a nested component, I want to know how to get the old value when you select another option.
<ui:inputSelect aura:id="cboProducto" class="slds-select" ...
- 88
4
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1
answer
1k
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Aura Iteration not detecting change event
I have a test setup, but i am unable to get it working. I have lightning page which shows Names of few accounts as an inputText using aura:iteration. I need to detect any change made by user on these ...
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5k
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How do I get the Lightning Component "destroy" system event to fire?
I have a fairly bog standard Lightning Component with markup like:
<aura:component controller="MyController" implements="flexipage:availableForAllPageTypes,force:appHostable,force:hasRecordId,...
- 153
4
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1
answer
587
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Detect source of value change in Lightning Component
I've have this handler
<aura:handler name="change" value="{!v.foo}" action="{!c.baz}"/>
Is there a way to know whether the value was modified from button click (via component.set(), etc) ...
- 4,676