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Questions tagged [aura-attribute]

Describes an attribute available on an app, interface, component, or event of the aura framework

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1answer
21 views

Issues with aura attribute type Integer being undefined

I'm trying to make a logical decision based on count of child records of opportunity. To achieve this I have an apex method that returns a count of child records. In the js controller looking for the ...
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0answers
7 views

Retain previously entered lookup values in a Flow

Was wondering if there is a way to save a previously entered lookup value in a flow? i want to give my users the ability to click previous and still have the value they just looked up be there. It ...
1
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1answer
40 views

Attribute defined in one function is undefined in the other

Trying to pass a variable from one js controller function to another and having issues. The first function runs before the second and the console.log shows the Secondary attribute as defined before ...
4
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2answers
61 views

When do you need to use default="{'sobjectType': 'ObjectName'} for an aura:attribute?

I'm getting the below error- when I type into a lightning:input whose value attribute is bound to a field on the custom object- when I don't use the default attribute. Is this because the default ...
4
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1answer
43 views

How to assign a right curly bracket } as attribute value inside the markup of a lightning component?

In the markup of a lightning component I want to set this string a the value for a label-attribute: "label {1}" Let's take a lightning button as an example. But my question is unspecific and ...
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2answers
67 views

Standard aura:attributes and aura:method attribute

My question is in regards to the fact that I need to get a value from Child component to Parent component. I want to directly call a method from the parent to the child to obtain some data from that ...
2
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1answer
115 views

How to upload a ContentVersion with lightning component?

I'm trying to use simple apex class and simple controller like a test. But can't upload ContentVersion. What is wrong here? handleFileSelected: function(component, event, helper) { let files = ...
2
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3answers
48 views

How to pass dynamic arrays in Lightning

I'm not able to pass a dynamic string array into a component without using java script. Example: values="{!v.foo + ',bar'}". In this example, the (expected) array seems to be passed as a String. I ...
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1answer
24 views

Salesforce Lightning Component Picklist Value

Hi have a requirement as follows:- I want to make a Picklist value in the lightning component. After using the lightning:Select still i am not able to get the values provided in the list. Codes as ...
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1answer
31 views

Attribute in lightning component is failing to evaluate properly in conditionals

I am unsure of what I am missing here... So I have a child component with an attribute: <aura:attribute name="recordClosed" type="Boolean" /> In the component I am doing something like this: ...
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1answer
37 views

Lightning component : Impossible to update value in form fields after resetting object value

I have this lightning component that is a form for an object called newLine : <aura:component > <aura:registerEvent name="updateFacture" type="c:factureLinesUpdate"/> <aura:...
4
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1answer
75 views

Bound data binding does not work with list items

Let me start by showing you what I am doing. ParentAppWithListAttr.app <aura:application > <aura:attribute type="List" name="justAList" default="['hello','world']"/> <aura:...
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2answers
90 views

Apply a css class depending on the value of the aura:attribute in a lightning component

Is it possible to apply a css class depending on the value of the aura:attribute in a lightning component? For instance I have the following component. <aura:component description="JustAComp"> ...
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1answer
152 views

Lightning combobox options attribute not showing any options!

I am trying to populate the options attribute of the lightning combobox to the values of a component attribute. The channels component attribute has all the values in it, but for some reason it doesn'...
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0answers
22 views

Userscripts manipulating aura components

Objective: To write a userscript that runs on my browser and scrapes data from a specific salesforce dynamic form that I have to fill out during my job. Summary: I am using TamperMonkey to run my ...
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2answers
57 views

How to pass radio group value from Parent to Child component?

I have to pass radio button value to the child component. Here is the code snippet of the same on the Parent component. <lightning:radioGroup aura:id="msRecTypeOptions" name=...
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0answers
25 views

Javascript to Aura type coercion

Previously I was able to have the following component and init function, where the Id for lightning:tab would be implicitly coerced to String from Number. Component: <aura:component implements="...
2
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2answers
140 views

Lightning component attributes: Difference between Array and List

According to this document, the type type[] is "An array of items of a defined type" and the type List is "An ordered collection of items". I've tested the output of both structures (with integer ...
3
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1answer
159 views

Aura Attribute of Type Object is Supported in Flows?

I am working on a Flow Screen and trying to assign a value to a lightning component attribute from a variable in the flow. The flow screen allows me to select the lightning component but it doesn't ...
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1answer
83 views

Lightning : Unable to update records displayed using wrapper class

Can anyone please help me in this? My initial Use Case Scenario was to display a list of records in a lightning component, and providing the ability for users to update the same records. This was a ...
2
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2answers
279 views

How to set inner class list as aura attribute? [closed]

I am in need of showing a list of records in a summarized format, say all records belonging to Type 1 are displayed first, followed by the records of Type 2, and so on. Usually in visualforce page, ...
1
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0answers
48 views

When creating modal with showCustomModal(), dynamically replace original body component with new component

I'm doing a custom version of the 'Add Products to Opportunity' standard component, and I'm trying to fit a two-stage process within a modal ('Select Products' and 'Create Line Items'). I thought I ...
2
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0answers
253 views

Use Lightning Component Attribute to Pass URL via Variable

I am trying to create an RSS feed Lightning component. I am able to successfully setup the the component to read the URL for the feed if I hard code it into the component. Since I want an admin to be ...
3
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2answers
152 views

How to use v.sObjectName to define fields in Lightning Data Service

To use my Lightning component for record pages of multiple types I need to load the record in a generic fashion. <aura:component controller="MyCtrl" implements="force:hasRecordId,force:...
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0answers
140 views

Detecting attribute update in sibling Lightning component when passed as reference

I have a parent component which has an object attribute called "record". This is passed into two instances of another component as a reference. In child component #1 one of the fields is changed on ...
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1answer
62 views

How to use component.get() in Aura Controller for Boolean value in Component

I have a boolean attribute in component Component <aura:attribute name="isOpptyExists" type="Boolean" default="false"/> Controller var isOpptyExists = component.get("c.isOpptyExists"); ...
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0answers
150 views

Change event on UI:InputText in Aura:Iteration throws 'afterRender threw an error in 'ui:inputText' [(a || s).replace is not a function'

I am facing a very strange error when applying change event on UI:InputText that is inside Aura:Iteration. When I focus out of the Input it throws me below error. This page has an error. You might ...
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1answer
337 views

Set lightning component aura:id attribute dynamically while creating the component

Is it possible to set lightning component aura:id attribute dynamically while creating the component? Here is my code for the component creation: $A.createComponent( "c:...
4
votes
1answer
256 views

How do I use a JavaScript object as an aura:attribute?

How do I use a JavaScript object as an aura:attribute? Should I do it this way <aura:attribute name="jsObj" type="Object" default="{aValue: 5}"/> or another?
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0answers
309 views

Trailhead Lightning Component Basics - Attributes & Expressions

I created a component and also completed the assessment successfully of creating a component of attribute type 'Camping_Item__c'. I added the component to the page layout of the Camping_Item__c object ...
1
vote
1answer
55 views

Disable aura:Iteration field but keep name attribute visible

How could it be accomplished to display the field name above the input field if the field is disabled? As of now, if the field is disabled, so is the e.fieldName attribute. <aura:iteration items=...
2
votes
1answer
652 views

Expression evaluates to false in <aura:if>

I'm building a lightning component that displays one of many possible modals. I'm using to choose which to display, using an Integer attribute basically as a case. <aura:attribute name="modalNum" ...
3
votes
1answer
311 views

Why should I even use the SObject type for the aura:attribute type?

Sometimes I see code using the SObject type as an aura:attribute type and I don't see why! <aura:attribute type="Account" .. It feels like it behaves the same as "Map", it's just a javascript ...
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0answers
352 views

Data binding of lightning:input and aura:attribute with type sObject(field) is not working

There is a weird scenario I'm facing while I try to bind the markup UI tags with Lightning aura:attribute as type sObject (fields). I'm trying to bind data to sobject's fields for different lightning:...
2
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0answers
31 views

Evaluating references of a Child Lightning Component body

How can I evaluate the body of a child component so that the expressions run in context of the included component? I am trying to do this in the same way that aura:iteration processes its body. I have ...
2
votes
1answer
298 views

Possible to use multi-line text in the designer for string aura:attribute or even rich-text attributes?

I have components which need complex parametrization like JSON values, richtext or very long text values. My attribute is defined as string like this <aura:attribute name="pageParams" type="...
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0answers
428 views

How to set attribute in the designer to a string-value which contains expression-tokens like “{!…}”?

I have defined a string attribute like <aura:attribute name="pageParams" type="String" default="" access="global" /> and in the design <design:attribute name="pageParams" label="Custom ...
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1answer
25 views

Component attribute set by one method coming as null in second method

I am calling two functions in my lightning bundle init in the following order helper.fetchAccountRequestAddressDetailsHelper(component, event, helper); console.log('before fetch'+component.get("v....
7
votes
1answer
696 views

Binding Javascript Objects to Aura Attribute Collection Types

I was testing Javascript Object Types and trying to bind them to aura attribute Collection types unsuccesfully client-side (for the most case), so I was wondering if there is a reference with a set of ...
15
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1answer
116 views

Passing calculated values to components makes them immutable

I'm calculating a value while I pass it to a component. But for some reason this makes it immutable, so I can't update it in my component. These are some cases I played with: <aura:application ...
0
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1answer
507 views

How can I dynamically create aura:attribute?

I would like to dynamically create components from other component. The thing is that, if any of those child components use events, I'd like to create the needed aura:attributes to store the info. ...
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votes
1answer
245 views

Lightning : Select not storing changed data

The issue is that when I click on save, the data is not being saved... In the same object, I have a checkbox wich is being correctly saved, so I don't know what could be happening. I have next select: ...
2
votes
2answers
1k views

Unable to set an Inner Class as Aura Attribute type

Since SF update to Summer 18, we are facing this issue where an Inner Class could not be set as an Aura Attribute type. Lightning Component <aura:component implements="force:...
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2answers
1k views

To set a field of an aura attribute

Is there a way to append the field of an aura attribute? <aura:component implements="flexipage:availableForAllPageTypes,force:hasRecordId" description="AddBoatReview"> <aura:attribute name="...
5
votes
1answer
618 views

Unable to save a record using LDS

I use lightning data service method SaveRecord to create a record of type BoatReview__c. The boatReview__c object has following fields: I only populate Name and comment__C field using a form on my ...
1
vote
2answers
1k views

Save Error - Undefined - Lightning data service

I am trying to save a record that a user creates using a form. I get a strange error description as "Undefined" which I do not understand. Below is my component, controller and helper class. The save ...
0
votes
1answer
1k views

getNewRecord to create an empty record - Lightning Data Service

I am trying to creating a new record using LDS for that I have first create a template record which can be used to create a record. I followed the example present in - https://developer.salesforce.com/...
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vote
1answer
6k views

$A.getCallback() [Cannot read property of null- Simple form

I keep getting $A.getCallback() [Cannot read property of null when I start typing in the text fields of a form. Before adding the default I have the component as below: <aura:component ...
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1answer
1k views

Image not appearing on Lightning Component [duplicate]

In my below lightning component , I am trying to display an image using background image tag. <div class="imageview" style="{!'background-image:url(\'' + v.boat.Picture__c + '\')'}" /> I do ...
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1answer
1k views

Application Event is not getting handled in the component

I made sure I understand how the application event should be fired and handled and how the syntax is different from component Event. I executed the example at - https://ck-developer-salesforce-com....