FormControlDirective
directive
Synchronizes a standalone FormControl
instance to a form control element.
See also
Exported from
Selectors
[formControl]
Properties
Property | Description |
---|---|
@Input('formControl')form: FormControl |
Tracks the |
@Input('disabled')isDisabled: boolean |
Write-Only Triggers a warning in dev mode that this input should not be used with reactive forms. |
@Input('ngModel')model: any |
|
@Output('ngModelChange')update: EventEmitter |
|
path: string[] |
Read-Only Returns an array that represents the path from the top-level form to this control. Each index is the string name of the control on that level. |
control: FormControl |
Read-Only The |
Inherited from NgControl
Inherited from AbstractControlDirective
-
abstract control: AbstractControl | null
-
value: any
-
valid: boolean | null
-
invalid: boolean | null
-
pending: boolean | null
-
disabled: boolean | null
-
enabled: boolean | null
-
errors: ValidationErrors | null
-
pristine: boolean | null
-
dirty: boolean | null
-
touched: boolean | null
-
status: string | null
-
untouched: boolean | null
-
statusChanges: Observable<any> | null
-
valueChanges: Observable<any> | null
-
path: string[] | null
-
validator: ValidatorFn | null
-
asyncValidator: AsyncValidatorFn | null
Template variable references
Identifier | Usage |
---|---|
ngForm |
#myTemplateVar="ngForm" |
Description
Note that support for using the ngModel
input property and ngModelChange
event with reactive form directives was deprecated in Angular v6 and is scheduled for removal in a future version of Angular. For details, see Deprecated features.
The following example shows how to register a standalone control and set its value.
import {Component} from '@angular/core'; import {FormControl, Validators} from '@angular/forms'; @Component({ selector: 'example-app', template: ` <input [formControl]="control"> <p>Value: {{ control.value }}</p> <p>Validation status: {{ control.status }}</p> <button (click)="setValue()">Set value</button> `, }) export class SimpleFormControl { control: FormControl = new FormControl('value', Validators.minLength(2)); setValue() { this.control.setValue('new value'); } }
Methods
viewToModelUpdate()
|
|||
---|---|---|---|
Sets the new value for the view model and emits an |
|||
|
newValue |
any |
The new value for the view model. |
Returns
void
Inherited from NgControl
Inherited from AbstractControlDirective
© 2010–2021 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://v11.angular.io/api/forms/FormControlDirective