70 questions
1
vote
1
answer
245
views
Angular form async validator firing but not updating form validity
This is my first time trying an async form validator. It is attached at to my form's asyncValidators, it's firing appropriately, the correct value (object or null) is being returned ... but the form ...
- 87
2
votes
2
answers
113
views
Validator in not a function in angular
I have created own directive for adding validation and removing validation based input parameters of directive. I am getting error when loading and form field value changing validator is not working ...
- 67
1
vote
3
answers
170
views
Validation not working on fields name ending with dots in angular
I'm creating dynamic fields
<input class="form-control-lg form-control" placeholder="{{data.DisplayName}}" formControlName="{{data.labelName}}" type="text" ...
- 3,872
1
vote
2
answers
638
views
Combining HTML and Angular reactive form validation
I'm building an Angular Reactive Form and I have an input of type number. I have provided Validators.min(0) to the FormControl, however when I focus the input and scrolls down or holds the Arrow down ...
- 66
0
votes
4
answers
1k
views
Get validators and values from angular FormControl
Is there a way for find out if an Angular FormControl has a validator and its value?
e.g. If I had a form control setup like this:
testControl: new FormControl(null, [Validators.required, Validators....
- 4,808
0
votes
1
answer
548
views
How to get list of all validators of Angular FormControl?
I have a component with a custom Form Control. And in this component I need to get a list of validators from the parent component. I use Reactive forms everywhere, so I don't need to inject ...
user11434403
0
votes
1
answer
413
views
In nested FormGroup the validators on the FormControl are not working
I have a FormGroup that contains a nested DatePicker FormGroup; this nested FormGroup contains two FormControls FromDate and ToDate.
For this nested FormGroup Validators I have two of them. one ...
- 59
0
votes
0
answers
151
views
Mat-error not triggering in custom phone input component implementing ControlValueAccessor and Validator
I am trying to create a custom phone input component by implementing ControlValueAccessor and Validator in Angular, but I have an issue with mat-error not triggering. The FormGroup seems to work, as ...
- 1
0
votes
1
answer
452
views
Angular regex validation
User is going to input in the form and only allowed numbers separated by comma.
I want to allow space after comma but not before comma and white space anywhere else is fine. (I only want to add ...
- 731
0
votes
3
answers
812
views
Angular 10 reactive form Validators minLength to ignore spaces
Is there any solution to use Validators.minLength(6) but to ignore spaces ?
E.G: 1234 5 this would validate but it shouldn't as I'm looking to validate 6 digits without spaces E.G: 1234 56
Thanks.
- 137
0
votes
1
answer
434
views
Angular validator doesnt work when text is inserted into textarea
The child component e-notes-p-quick-phrases-list has a mat-grid-list that when the user clicks on, can then click an Insert button that inserts that text into the textarea "notes" in the ...
- 933
0
votes
1
answer
694
views
how to make inputs in angular accept only specific data
Im working on an angular project and i want to create an input that only accepts 3 values 0, 0.5, 1 and if the user enters for example 0.4 he will get an error message and tell him to enter only one ...
- 35
2
votes
1
answer
86
views
How to custom validate two text boxes with a regular expression /^[1-9]\d*$/?
I'm trying to write a custom validator for 2 text boxes, with some conditions.
Please see the code I wrote in Stackblitz Link to validate the text boxes with some conditions
Kindly help me where did I ...
- 47
0
votes
1
answer
1k
views
angular 12 custom validator validate one item is selected from array
HI I am doing an Angular 12 App using Material.
I have my FormGroup like this
form:FormGroup=new FormGroup({
Id: new FormControl(null),
Name: new FormControl('',Validators.required),
...
- 2,392
2
votes
1
answer
1k
views
Async validator not executing
Stackblitz: https://angular-ivy-mhot2x.stackblitz.io
For my Angular (13.0.2) application, I've created a validator to check if a URL is already in use (i.e. GET <URL> does not return 404). ...
- 2,255