Questions tagged [angular4-forms]
Questions related to Angular 4 template or reactive forms.
angular4-forms
606
questions
1
vote
0
answers
105
views
How to make chekbox required only if one of them is selected with FormGroup
I have some problem with custom validation in Angular 4 using FormGroup and FormControl.
I have page with multiple checkboxes, in this example 6 of them. Three of them are required all time, and ...
0
votes
1
answer
10k
views
NgClass Error Angular (Can't bind to 'ngClass' since it isn't a known property of 'a')
I'm new to angular, and I'm trying to dynamically add a bootstrap class to my html, based on the active tab, however, I'm getting an error. Can you help me?
My error: Can't bind to 'ngClass' since it ...
0
votes
0
answers
88
views
Getting reactive form values in Angular 4
I am using reactive form in my Ionic project.
I have multiple slides and each slide has a form. When i'm trying to retrieve the value I'm getting the value from the first slide.
Stackblitz link for ...
0
votes
1
answer
848
views
Angular 4 - Reactive Forms - Blurring one field highlights all fields as red
For context, this is my form:
this.commentForm = this.fb.group(
{
commentId: [''],
commentType: ['', ExistsWithinList(this.commentTypes)],
commodity: ['', ...
0
votes
1
answer
363
views
Angular 4 search box with duplicate text
Angular 4 serach box issue
How to stop the value in second search box text when we enter value in one text box.
we have multiple searchbox for each of the item in my page.when we type any text in one ...
2
votes
0
answers
504
views
Angular Material form shows as ng-valid when required fields show as ng-invalid
I'm working on a form in Angular4 with some pretty basic validation, just a few fields which I want to ensure are filled in before the user can hit "submit." Using the "required" attribute along with ...
0
votes
0
answers
48
views
Reset the drop down values in angular4 with customized fields
While migrating old angular app to angular 4 I came across this in .js file
customized dropdown
hps-dropdown model="studentRequest.CountryType" reset-id="countryResetId"
is-required="false" options=...
0
votes
3
answers
4k
views
How to disable the input text based on *ngif in angular4
how to disable textbox if the ngifcondition satisfies on text box field.
Below didnt work for me
<input [ngClass]="{'disbaled' : !isprecheck}" type="text" class="form-control" id="title" name="...
0
votes
0
answers
197
views
How validate FormArray control in Angular 6
My HTML looks like this -
<form name="add_stepform" [formGroup]="ActionTypeForm" novalidate>
<cdk-virtual-scroll-viewport [itemSize]="100" class="stepViewPort">
<div [@...
0
votes
2
answers
3k
views
how to remove authorization Bearer in angular 4 post API call
Need to remove Authorization Bearer in POST Call
Below code didnt remove the authorization bearer which is coming from http interceptors.
Status code: 403 Unauthorized RequestAuthorization header is ...
0
votes
1
answer
722
views
what is the $location.search() in angular 4
how to use the $location.search in angular 4
var queryParams = $location.search(); -- in angular
setDefaultLanguage() {
var queryParams = $location.search();
if (queryParams.locale) {
...
0
votes
1
answer
1k
views
How to post the Form data using template driven forms using angular 4
I want to post the request payload data on submit the form fields as post API:
Facing issue with the 400 bad request.
How to pass the request payload with the form details?
component.html
<form #...
1
vote
1
answer
44
views
How to pass locale in get service call using angular4
Need to find the locale and pass the same to service(get) call :
Property 'indexOf' does not exist on type '() => string[]'
Heading
in angular4.
//Call Languages
getshortLanguages() {
...
0
votes
0
answers
91
views
Custom Validator in Angular4 with dynamic parameter
In the form password field is there which has a specific pattern(small alphabet, capital alphabet, special, length)
components.ts
Initialize a boolean array for keeping track of pattern which is ...
0
votes
0
answers
63
views
Called Api Once and used many component in Angular 4?
I have two component Master and MasterDetails and one service name MasterService when first time load master component its working fine but if I navigate to MasterDetails component then I get blank ...