Angular 12 tutorial in Hindi #37 Reactive form Validations

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In this angular 12 version video, we learn how to apply validations on Reactive form in angular 12. This video is made by anil Sidhu in the Hindi language.

Reactive Form Validation
Use Form from the last video
Import Validators
Apply validations
Define Getter for fields
Show errors and Disable button

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bhtreen, awesome aaj asa lga ki shi mein kuch tagda bnaya h

rajatverma

hello sir
me=>> name: new FormControl(' ', [Validators.required, Validators.pattern('[a-zA-Z]+$')]), =>> kr rhi hu but mere validation hide nhi hor rhi h jab me kuchh bhi input kru to.. please sir reply me soon please.

vaijayantibhardwaj

after some video, I watch your video then my basic concept clear.

facttofact

Those who are getting invalid error message in html template....
function should be get
Eg:
get user() {return}

And not : getuser() {return}

There is a space between get and the name of function....
Get is a separate keyword

emazmomin

How to give separate Error message of each validation, in case of multiple validations in a field ?

adesh_codemonk

You missed to add video on validation through 'Template driven Form' & also introduction part of 'Reactive form'

PRAKASHKUMAR-rhfc

Validation through template driven form?

PRiTiSH

How to write different error messages for different type of validation
For example for required the msg will be this field is required for min length msg will be min length is ...

priyonathdas

if we had multiple fields then we have to define separate function for each field.

AkshayKhedikar

Hello bhaiya, I didn't understood the *ngIf condition. I understood why we used "user.invalid && user.touched" but I why we used "user" at the start in the condition with these two other condition. what does it signify?

mayankmishra