Questions tagged [aura-iteration]
questions regarding the aura:iteration component. This coomponent iterates over a collection of items and renders the body of the tag for each item.
153
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How do we identify which lightning input is updated in an iteration?
I'm trying to construct a page that allows users to edit records, and it should be in SLDS, so I'm trying to use lightning:input to minimize the amount of code I need to write. Ultimately, a method ...
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12
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2
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Is it possible to use the new v41.0 lightning:outputField in huge numbers inside tables? Is it possible to extend it?
Today I'm giving the new v41.0 <lightning:outputField> a try. I want to use it massively inside an <aura:iteration> to build a data-table and want to accomplish the following:
...
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7
votes
1
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How to check List size in aura:iteration
I am showing list of opportunity in a Lightning component. And I want to display them if the opportunity list size > 0 . i.e here ( opportunityList > 0)
<lightning:select name="...
7
votes
3
answers
19k
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component.find an aura:id item created in aura:iteration
I am building a menu component.
One menu-item is a sub-menu with list of opportunities, this list is created with aura:iteration over a list of opportunities.
When selecting a menu or a sub-menu, I ...
- 4,935
5
votes
1
answer
401
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Is it prudent to use force:recordData (and similar) within aura:iteration?
The aura framework and lightning:recordData currently (Summer 18) support only single object retrieval.
Let's assume I got a listItem.cmp into which I wired force:recordData in VIEW mode or a ...
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5
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2
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1k
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Why aura:iteration doesn't re-render when you add element to parent component's list?
I declared a parentComponent with an attribute of type list. I am passing that list to child component.
In my child component, I am iterating over that list using aura:iteration . Also I provided a ...
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4
votes
2
answers
690
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Lightning aura:iteration issue with deleting element after sorting
Recently I got a very weird issue with aura:iteration and don't know how to solve it yet.
If I sort my list of element to ascending order and delete some element from the list then if I try to sort ...
- 1,243
4
votes
1
answer
2k
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Updating aura attribute in 1 aura:iteration does not reflect the changes in another aura:iteration
I've created a simple lightning app which has an aura:attribute of type Object[] with 3 objects in it. I'm binding their selected property to a lightning:input of type checkbox. When I update the ...
3
votes
1
answer
4k
views
Iterating Complex Map in Lightning
I'm working a lightning component, which has a requirement of displaying a dynamic table.
For that, I need to iterate over a map (Map>) and display the values.
So, How can I retrieve map from apex ...
- 313
3
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2
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4k
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How do I get the value of a row of HTML table in an aura iteration with onclick?
I am trying to make a functionality where my lightning component shows a table of records and I want to make it so if you click a records row, it autofills my form with that records information.
Here ...
3
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0
answers
842
views
Lightning "change" event doesn't fire in aura:Iteration
I am passing an Object to my component and iterate through it's child records.
To handle changes I added the Lightning change handler.
(I made data an array, so I can set a default for demo purposes, ...
- 6,280
2
votes
2
answers
7k
views
aura:iterate in two columns
How would one create a two list column and be populated with an iterated list.
Right now, both columns just repeat themselves with the same {!v.Name} data.
I would like to remove the repetition and ...
- 191
2
votes
1
answer
9k
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Lightning Components: How to do nested aura:iteration of a list of Accounts with subselected Contacts?
Scenario
In Visualforce we had strong patterns for implementing the rendering of hierarchical structures. As a simplified example (standing for many other use cases) let's say we want to show all ...
- 34.1k
2
votes
1
answer
747
views
Iterate related records, display images from string name of contentAsset in Community Cloud
I'm very new to Salesforce, so my apologies if my approach is all wrong.
I want to display a list of buttons with images using a lightening component in Community Cloud. The list comes from records ...
- 33
2
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2
answers
2k
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Nested wrapper class to use with Aura:iteration in lightning component
How to use aura:iteration over a list of Wrapper class object in Lightning component 1st Aura iteration works well it prints axisNo and axisName correct.
But nested iterate with nested wrapper class ...
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2
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1
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1k
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Lightning radio selector in iteration disappears when option selected in another row
I have created a Lightning component that allows users to dynamically create their desired number of records. I implemented a data table for this. In my third column, I asked users to select from two ...
- 493
2
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1
answer
5k
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LWC create input fields under LWC iteration
I am new to LWC. I have to create multiple input fields for different rows. Let say, I have selected 3 records from the previous page and for all those 3 records I need to create the input field and ...
- 664
2
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1
answer
2k
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How to conditionally render rows in iteration lightning component
I have a lightning iteration component that shows several information on accounts in a row. One of the columns allows the user to choose a lookup( I use a custom lookup component) value to edit the ...
2
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0
answers
164
views
Route User to Newly Created Record from Flow
so using the Override Finish Behavior feature https://help.salesforce.com/s/articleView?id=sf.flow_concepts_finish_override.htm&type=5
I am having issues routing the user to the newly created ...
- 141
2
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1
answer
1k
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<force:recordData> not getting called
I'm facing trouble with <force:recordData>.
I have a list of custom objects displayed in the form of table over <Aura:iteration>
Out of that list, when a button is clicked, a certain ...
- 605
1
vote
2
answers
929
views
3 nested aura:iteration's don't work properly
I have the following object in Javascript:
[{"Name" : myName,
"Sub" : [{"Name": mySubname,
"Items" : [{"Id": a, "Name": b},{"Id": c, "Name": d}, ...]
},
{...}, ....
- 179
1
vote
2
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1k
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how to filter the collection used in aura:iteration
I would like to have a filtered version of a collection as the source data of an aura iteration. Basically, something like this:
<aura:iteration items="{! v.myList.filter(element => ....) }" ...
- 305
1
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1
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530
views
<aura:if not working but <aura:renderif does - any reason why that you guys can see?
so the scenario is that i have an iteration within an iteration ....
<aura:handler name="init" value="{!this}" action="{!c.setUpScreen}" />
<aura:attribute name="PageQuestions" type=...
- 11
1
vote
1
answer
15k
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Using an aura:iteration index as an array accessor [duplicate]
I am creating a lightning component that is a Day-of-the-Week picker widget. it will allow a user to enable or disable days from a list. My front has two attributes that are useful here - a list of ...
- 163
1
vote
1
answer
19k
views
aura if comparing iteration variable
I would like to know if it is possible to evaluate the expresion not comparing to a constant but instead to another variable, like the iteration variable from aura:iteration.
I want to evaluate the ...
- 197
1
vote
2
answers
4k
views
Aura Iterate, get the aura:id of a span
I'm trying to get the ID of an element that is in a loop to trigger an event, but I can't get the ID nor content of the tag.
I've done something similar on visual force pages, but I did it ...
- 313
1
vote
2
answers
3k
views
Retrieve elements created with Aura:Iteration
I'm trying to retrieve elements using document.getElementsByClassName("") within the afterRender function. This works as expected with normal elements. However, I can't seem to retrieve elements being ...
- 33
1
vote
1
answer
2k
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Radio Button within Iteration - When user selects radiobutton, store the associated sourceId in attribute 'accountId'
Currently, I'm iterating through a wrapper that includes sourceId (aka accountId) and Opportunity Name, etc. When the user selects a radio button, I want to capture that sourceId in an attribute at ...
- 569
1
vote
1
answer
261
views
Trouble with aura:if
I am not sure why this is not working. I have an aura:if condition, if the check matches then the item should be displayed. Here in this code below I am checking the ofc.agentName is not empty then ...
- 603
1
vote
1
answer
377
views
Get Task description with line breaks in SOQL
I have a lightning component that displays a List of Tasks in a sidebar. I use a SOQL query in the controller to fetch a List that fits the criteria and display them in the component. I manually model ...
- 53
1
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2
answers
3k
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How to find id of lightning component tag which defined in iteration?
<aura:iteration items="{!v.List}" var="item" indexVar="i">
<div id="{!v.globalId + '_option'}" data-index="{!i}" data-id="{!item.Id}" onclick="{!c.jsFunction}"><text-...
- 21
1
vote
1
answer
4k
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Display fields if null in an aura:iteration
I'm making an edit records component on Opportunity where I display fields from related objects like Account, the Primary Contact and Contact Role only if their value are null. For the Account and the ...
1
vote
1
answer
1k
views
Passing an aura:iterated list item to JS controller
The goal is to pass a "comment__c" rich text field on an iterated object to its JS controller to perform a string operation on it before it's returned to limit a tooltip it is to appear into 250 ...
- 191
1
vote
1
answer
107
views
How to dynamically select and disable an element in a row in the table when the other element is selected
I am new to Aura and hence was not able to find out the exact way to disable the column.
We are building a table where I need to disable other cells in the row when one of the cell is selected.
The ...
- 444
1
vote
1
answer
1k
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Get Row Id for a Lightning:ButtonIcon
I am adding a buttonIcon for each aura:iteration record in my interface. I need to get the Id of the row that the button is on.
Here is my component code:
<aura:iteration items="{!v....
- 179
1
vote
1
answer
776
views
Second <aura:iteration> not working with object/array datasource
I have a Lightning component with two <aura:iteration>
<aura:handler name="init" value="{!this}" action="{!c.doInit}" />
<aura:attribute name="invoices" type="Object" />
<aura:...
- 8,897
1
vote
1
answer
727
views
How to fetch the accounts based on a value checkbox
I have a dynamic checkbox generator which is bound by city on the account which works fine all cities are rendered with a corresponding checkbox. When I select the checkbox a city is added to a list ...
- 2,284
1
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1
answer
12k
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How to use lightning:outputField and lightning:inputField inside an aura:iteration
How can I use the new v41.0 <lightning:outputField> inside an <aura:iteration>?
I have tried this
<aura:attribute name="Opportunities" type="Object" default="{}" />
<aura:...
- 34.1k
1
vote
1
answer
819
views
Component.find returns elements not on page
I have an array of sections, which are objects that each contain an array of fields. If I reset this array and then look for the fields using component.find(), it returns many more fields than display ...
- 15
1
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1
answer
36
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aura:interation Field Order
I'm developing a component to add multiple items (in this example debts). When a new debt is added I need the fields to display like so:
At the moment the fields display like this:
Here is my ...
- 13
1
vote
1
answer
693
views
Display table with data from two sources - array and map - Aura Components
I have related objects with a one-to-many relationship.
For example:
Owner1 ---> Thing1
Owner1 ---> thing2
Owner2 ---> Thing3
I want to display data from these objects in a table ...
- 908
1
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1
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4k
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Aura Components Specialist: Step 3: Completed but tiles do not display data?
I've just completed step 3 of the Aura Components Specialist superbadge however the tiles for the boat search results just display an empty block on the page. Not sure why this is happening. I've ...
- 295
1
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2
answers
753
views
Display radio group dynamically
I'M trying to display radio groups inside aura iteration,the number relays on the number of elements of the Questions list,but not only selected options are not being checked ,it also happens that ...
1
vote
1
answer
323
views
Aura iteration for Kanban
I'm trying to create Kanban. My lists have many cards, but I can see only one card per list. I added ORDER BY ListId__c to SOQL but I still can't see other cards. First 2 lists have a few cards. How ...
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2
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2k
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Is it possible to "find" an aura:id within an aura:id?
I have a component where I am building a lightning:recordEditForm using fields based on a different field sets that looks a little something like this:
<aura:component>
<aura:attribute ...
1
vote
1
answer
892
views
Aura iteration returning blank rows(with correct number of rows)
My requirement is to display all the saved values on load for a Custom object called Company__c. Fields being Full_Name__c (text), Address__c(text area) , Director_Name__c (text), Phone__c (phone) and ...
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2
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158
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How do i iterate over a list with 3 different object types in lightning component?
I am building a lighting component which needs to iterate over a list with three different object types but I have run into a problem because I cannot write an aura if expression which checks the ...
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1
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2k
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Aura:iteration with Data Tables and setting the order to descending as rows are inserted
So we have a client that has a form page where a Data Table is built based on input. As they enter items the table sorts them by index (i'm assuming) in ascending order. Without making the user sort ...
- 387
1
vote
1
answer
2k
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To compare old and new value inside aura:iteration in Lightning component
In Lightning I have a requirement where I will iterate a List and display it as a table.While iterating I need to compare old value(last iterated row value) and new value (value in current iteration) ...
- 133
1
vote
1
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2k
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aura:iteration to display data in columns after certain count
<fieldset class="slds-form-element slds-m-top_xx-large form-fields-width borderForBoxes">
<LEGEND class="slds-form-element__label tlabel slds-text-body_small"> ...
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