“FormGroup Angular” Respostas de código

Atualizar o valor do grupo 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)
});

Helpful Hyena

FormGroup addControl

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

GutoTrosla

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'

Modern Mallard

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