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Hi I am implementing a form in angular 2 using Form Builder in component.ts i have implemented my form using formGroup Below is My code public myForm: FormGroup; constructor(private authenticateservice: AuthenticateService, ...

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I have a FormGroup defined like below: this.businessFormGroup: this.fb.group({ 'businessType': ['', Validators.required], 'description': ['', Validators.compose([Validators.required, Validators.maxLength(200)])], 'income': [''] }) Now when businessType is Other , I want to remove Validators.required validator from description. And if businessType is not Other, I want to add back ...

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