I tried to bind my model on my view, but I have a problem when I submit my form : I don't have an array, but many property. component : export class QuizFormAddQuestionComponent implements OnInit...

ERROR TypeError: jit_nodeValue_4(...).$any is not a function at Object.eval [as handleEvent] (AddNewConnectionsComponent.html:42) at handleEvent (core.js:13581) at callWithDebugContext (core.js:150...

I am trying a nested reactive form in Angular 4. It is working fine but when I try to build AOT it's throwing the error 'controls' does not exist on type 'AbstractControl' I googled and tri...

I have a form and an underlying model like this From component myTextModel: string; updateMyTextModel(): void { this.myTextModel = "updated model value"; //todo- set form dirty (or invalid or t...

How do i display multiple field within a primeng auto complete box. for example: <p-autoComplete [(ngModel)]="val" [suggestions]="results" (completeMethod)="search($event)" field="name,lastnam...

I want to remove validation for which control is not rendered by using NgIf. I was try to use directive to remove with hidden control but cannot do the same because it not render in template. So I ...

I have developed a custom Component (app-mat-avatar) to use as an avatar choose (See picture). It consists of one big div with a picture and 2 buttons. One to edit, the other to erase. I built it f...

I a working on angular 4.4 + material beta12 custom component and not able to figure out what is wrong in my implementation I am trying to achieve the below custom input Task: set value to for...

I want to create a graph similar to the picture I have attached or may be a bar graph. I am using Angular 4 and I have no idea about graphs in Angular. Is a reference link or some sample code avail...

I have a multi-step form where the user traverses back and forth to the form. I save the form data in service and when he comes back I use patchValue to patch all the data to form. I tried setValue...

What I want to Achieve is that I have a Select field in angular6 on the basis of the selected value I want to hide and display another div. Here is the code. <div class="form-group"> <...

I need to check whether password and confirm password fields have same value using reactive form angular 4+. I did see a lot of answers on the same here,Angular 4 form validating for repeat passwor...

I have a file upload in the form. I need to create post request to backend with this uploaded file and some other form fields too. Below is my code: fileChange(event) { const fileList: FileL...

So I have a child component that goes something like this export class ChildComponent implements OnInit { @Input('parentForm') public parentForm: FormGroup; constructor(private fb: FormBuild...

I'm adding a child component to a parent component form. Pessoa.html <form [formGroup]="usuarioForm" novalidate> <div class="col-md-4"> <div class="form-group"> <label for...

I want to submit form to external site by POSTing the input fields in old school way(non Ajax) , it submits too but Angular giving me error in console before jumping to external page. I used follo...

I want to submit form to external site by POSTing the input fields in old school way(non Ajax) on paypal. code for answer worked for me. https://mcmap.net/q/1453861/-angular-2-4-how-to-post-html-f...

I was going through the doc of angular.io (Reactive forms are synchronous), trying to understand the reactive forms (how they are synchronous and template driven forms are asynchronous). But the d...

I have a company class, it has an headquarter's address field. The address is an interface, it has an another object, country, which is an another interface. In my database I store all the countrie...

If I use template-driven forms I can inject a reference of a FormControl to an "error-message" component. Note the use of the ngModel directive (see this tutorial). <input type="text" name="myF...

I set up a linear stepper using the Angular Material 2 Stepper. I have forms in different components (component-a, component-b, component-c). In my main container component (container-component) ...

So, I am having problems using mat-select with mat-form-field . Using mat-form-field with mat-input is not a problem, and I am fairly sure my imports are correct as well, yet I receive the followin...

I am trying to apply external library for datetime picker. I am getting an error like below: ERROR Error: Uncaught (in promise): Error: No value accessor for form control with name: 'dateTimeDepar...

I developing a angular 4 application and facing a problem while binding the data to the form. The binding code seems to be fine and not sure what the problem is. When I debug the application , I ca...

In Angular 4+, I've following template driven form: <form #addForm="ngForm" (ngSubmit)="onFormSubmit($event, addForm)" > <div class="form-group"> <label for="item_name">Item Na...