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Questions tagged [viewchild]

ViewChild is a decorator for Angular component variables, which allow to bind a template element.

ViewChild is a decorator for Angular component variables, which allow to bind a template element. Official Angular documentation here: https://angular.io/api/core/ViewChild.

437 questions
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Angular 8: using ViewChild get a method result from a child to parent after that method is invoked in child component

In my child component i have two buttons like following: child-component.html
In child-component.ts: export class ChildComponent…
Nazem Mahmud Piash
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view child component undefined

I have a parent component(DepotSelectionComponent) and a child component(SiteDetailsComponent). An event(moreDetails) is emitted to the parent component. This event then calls the getDetailsPage()function within the parent, which changes the page…
ashley g
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Angular - Function linked to ViewChild executing twice

I have three components, Nav, App, Form. In the Nav component I have a function that changes the position of CSS, I can call this function from Nav and App Component (Gets a trigger from Form Component). My problem is that when I call the function…
Upsetti_Spaghetti
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Access child component data from parent component

I have a list in the child component. I want to access this list from the parent component (AppComponent) and display it using @ViewChild decorator, but the list is always undefined in the parent component export class CategorieComponent implements…
G.AOUDIA
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Setting nativeElement.style.color in ngAfterInit doesn't work in Angular

I am learning Angular and just run in a strange issue. When I set the nativeElement.style.color to red the Plot text only becomes red when I remove the img tag that is above.. Seems that it is a loading issue? But I used ngAfterViewInit() to color…
JeR
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InnerHtml of elementRef of component created dynamically by componentFacory not containing binded values

I have a simple component named component1: This is its HTML with the bindings and with the template reference:
{{someNumber}}
This is…
Guy E
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AngularEditor: ViewChild removed after successful file upload?

I would like to use https://github.com/kolkov/angular-editor, but there is a problem: I want to upload images, this seems to work fine, request to/from backend looks good. There is an ElementRef myInputFile: myInputFile: [{ type:…
Markus Autengu
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Call a method in the nested component

I have two components (1-app-student-list 2-app-student-detail). I want to use student-detail in the student-list like the following : app-student-detail.html

Student Detail Component is here ....

app-student-detail.ts export class…
user11912021
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Closing angular dropdown on submitting form inside it

I have a dropdown menu containing a form. I want to close the dropdown whenever Ok is clicked, that is whenever the form is submitted. Right now it remains open. Would prefer not to use javascript or jquery
Ujjwal Sharma
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ViewChild can't pull directive from button

when accessed via: ngOnInit(): void { this.initalFocusButton.focus(); // undefined unless it's an ElementRef } comes up undefined in OnInit and AfterViewInit(ng8 so it doesn't matter). I've…
Anthony
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Problems with @ViewChild

I am currently creating a @viewChild component, tabs in my app. However, upon inserting the following lines: @ViewChild('tabs') tabs: IonTabs; I am facing an error 'Expected 2 arguments, but got 1.' Please helps. Thks!
speedie
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Update slider component data from any other component

I'm new on Angular, I have a slider component, but I'll use this in 2 pages (homepage, news), I'm using ViewChild to call it from parent (homepage) and want to add new images and title to each slide, both pages (homepage, news) have same slider…
user3342679
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RecyclerAdapter - can't set long & normal click listeners to parent and child

I have a simple RecyclerView with a row item containing one image. I want to set a normal onClickListener to the ImageView and a longClickListener to the itemView itself. The issue is that when doing so - they can't seem to live together with each…
Alon Shlider
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Why does @ViewChildren pick the template only for the first time?

I am creating an app where I want to render the buttons inside a table using a component. So, I created a component where I'v kept the button template and am using @ViewChildren to get the template and ViewContainerRef to apply the component to the…
testacc
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Unit testing angular service, Injecting dependencies through beforeeach doesn't get executed

I am trying to unit test a component that has a @viewChild component and few more services. Following is my spec.ts file. beforeEach(() => { TestBed.configureTestingModule({ declarations: [ UpStoryComponent,ExperienceListComponent,…
Malmee.Weerasinghe
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