Questions tagged [customvalidator]

Introducing the `CustomValidator` class in .NET for personalized validation of input elements on your user interface.

The parameter '{ validator: any; }' cannot be assigned to the ValidatorFn type in this context

I am currently experiencing a challenge while attempting to create a custom validator using Angular. I have created a form for my sign-up page and wanted to ensure that the password and confirm password fields match by implementing a custom validator. Des ...

The Custom Validator encounters an issue retrieving the Combobox identification

I have encountered an issue where the Required Field validator fails for the Ajax Combobox, so I decided to use a custom Validator instead. However, I am facing difficulties in getting it to work with the Combobox. Interestingly, when I pass the Id of anot ...

There is no index signature that accepts a parameter of type 'string' in the type '{ [key: string]: AbstractControl; }'

I'm currently tackling a challenge in my Angular project where I am creating a custom validator for a reactive form. However, I've encountered an error within the custom validators function that I am constructing. Below you will find the relevant code sni ...

Create a custom validation function that accepts additional parameters

At the moment, I have implemented the following code but I haven't utilized the extra data yet. create-room.component.ts import { Component, Inject, OnInit } from '@angular/core'; import { AbstractControl, FormBuilder, FormControl, FormGroup, ValidationErr ...

Angular's custom reactive form validator fails to function as intended

Struggling to incorporate a customized angular validator to check for date ranges. The validator is functioning correctly and throwing a validation error. However, the issue lies in the fact that nothing is being displayed on the client side - there are n ...

Issue with the functionality of Angular reactive custom validator inoperable

Recently, I created a simple validator that compares the values of two date form controls within a form group. The basic rule is that the maturityDate has to be greater than the valueDate, otherwise the form group should be marked as invalid. Here is how ...