angular form example
Example 1: import form module in angular 8
import { FormsModule } from '@angular/forms';
Example 2: 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,
});
Example 3: formbuilder angular example
this.contactForm = this.formBuilder.group({
firstname: ['', [Validators.required, Validators.minLength(10)]],
lastname: ['', [Validators.required, Validators.maxLength(15), Validators.pattern("^[a-zA-Z]+$")]],
email: ['', [Validators.required, Validators.email]],
gender: ['', [Validators.required]],
isMarried: ['', [Validators.required]],
country: ['', [Validators.required]],
address: this.formBuilder.group({
city: ['', [Validators.required]],
street: ['', [Validators.required]],
pincode: ['', [Validators.required]],
})
});