Formgroup angular

Update formgroup value angular

To set all FormGroup values use, setValue:

this.myFormGroup.setValue({
  formControlName1: myValue1, 
  formControlName2: myValue2
});
To set only some values, use patchValue:

this.myFormGroup.patchValue({
  formControlName1: myValue1, 
  // formControlName2: myValue2 (can be omitted)
});

Formgroup addcontrol

let form: FormGroup = new FormGroup({});
form.addControl(field_name, new FormControl('', Validators.required));

Source: stackoverflow.com

Formgroup angular

      
        content_copy
      
      const form = new FormGroup({
  first: new FormControl('Nancy', Validators.minLength(2)),
  last: new FormControl('Drew'),
});

console.log(form.value);   // {first: 'Nancy', last; 'Drew'}
console.log(form.status);  // 'VALID'

Source: angular.io

Similar codes

2 votes301 views5 answers
Ng class in angular
Javascript AngularJS
12 votes272 views5 answers
Angular font awesome
Javascript AngularJS
0 vote266 views1 answer
How to write a test case for dropdown selection change in angular 9
Javascript AngularJS
1 vote281 views3 answers
This version of CLI is only compatible with Angular versions ^9.0.0-beta || >=9.0.0 <10.0.0, but Angular version 8.1.3 was found instead.
Javascript AngularJS
2 votes310 views1 answer
What is the use of angularjs
Javascript AngularJS
0 vote321 views1 answer
Firebase angular send notification to by tocken
Javascript AngularJS
0 vote265 views2 answers
Split string in angular 8
Javascript AngularJS
0 vote273 views1 answer
Angular post data not sending
Javascript AngularJS
0 vote291 views1 answer
Array sort in angular 6
Javascript AngularJS
0 vote311 views1 answer
Toast duplicate angular
Javascript AngularJS