Angular reactive forms cross field validation

In this video we will discuss cross field validation in a reactive form.
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[@ErfanHossainShoaib]

It is one of best angular series tutorial with a crystal clear explanation. Thank you.

[@Csharp-video-tutorialsBlogspot]

Hello Erfan - Thank you very much for taking the time to give feedback. Means a lot. I am very glad you found the videos useful. I have included all the Angular tutorial videos, slides and text articles in sequence on the following page. Hope you will find it handy.
www.pragimtech.com/courses/angular-6-tutorial-for-beginners/
If you have time, can you please leave your rating and valuable feedback on the reviews tab. It really helps us. Thank you. Good luck and all the very best with everything you are doing.

[@nadayousef5143]

Thank you for the amazing job honestly you are a great man !

[@robindrasingha4082]

Thanks, its very helpful to understand the custom validation ...

[@belmiris1371]

Very nice and clean logic and code. Thank you!

[@procoder9190]

Great Info Sir...,

[@vikeshgupta2309]

Thanks for awesome tutoring

[@pranjalevince9371]

Best explanation ever

[@salmaelmligy8263]

for new versions : use abstractCongtrol type instead of FormGroup to solve the validatefn error
function validateEmail(group:AbstractControl): {[key:string]:any} | null{}

[@amitagarwal4734]

Hi sir. Thanks for all your support. Just a request, can you please make a video on dual list box in angular? Please!

[@prasunadoki3757]

Hi Sir..Really thank ful for such video tutorials.. i m planning to go for an interview.. i have three years of experience.. can i know what are the topics should i recall in Asp.Net and Asp.Net MVC
Thanks in Advance!!

[@sveinsoermo9883]

Very nice series of videos, one question, why do you not use ErrorStateMatcher, any particular reason?

[@himanshugupta487]

I tried to implement it but the custom validation method for confirming email is not invoking after registering with form group. Any suggestions please?

[@soumyanistala9114]

have a requirement where I have reactive forms with pagination, example when page is loaded zero index values will be loaded when next page clicked first index values will be loaded, so on.Any help in understanding this concept.

[@ymtan]

Hi Venkat,
I would like to ask if the email and confirm email form controls values do not match, our custom validator function matchEmails() returns emailMismatch key and this key will be attached to the errors collection of the abstractControl which is emailGroup nested form group. Am I correct ?

[@Csharp-video-tutorialsBlogspot]

Yes, that is correct.

[@ymtan]

When fullName form control fails required validation, within the errors collection of that form control, we will have the "required" validation rule attached to the errors collection as the key. The looping constant errorKey will have the "required" key. The messages['required'] will contain the validation error message 'Full Name is required.' and this validation error message will be stored in the formErrors object formErrors['FullName']. The UI will bind to this object to display the validation errors. I would like to ask is my understanding correct ??

[@Csharp-video-tutorialsBlogspot]

That is correct Edward.

[@teenamx4734]

This is not working. I'm getting error in form group of email as '(controlsConfig: { [key: string]: any; }, options: { [key: string]: any; }): FormGroup' is deprecated.ts(6385)
forms.d.ts(1722, 8): The declaration was marked as deprecated here.
Anyone could help

[@ArunKumar-wl7ok]

Hi sir, how can validate custom validation without nested form

[@SHROUDICH]

it doesn't work on angular 8, why?

[@NeerajSingh-qy7rt]

if email match validator not working try ="in line 59 of create-employe.component .ts , use validators insist of validator"

[@tadaaa.6580]

if you have no error and the must match message not showing, it might be the "validator" keyword misspelled. This is the correct one
{validator: this.matchEmail})