life-left.ts

  
constructor(private formBuilder: FormBuilder, private dataService: DataService) {}

  ngOnInit() {
    this.birthday = this.formBuilder.group({
      birthdayDate: ['', Validators.required],
    });
    this.gender = this.formBuilder.group({
      genderSelect: ['', Validators.required],
    });
    this.excercise = this.formBuilder.group({
      excerciseSelect: ['', Validators.required],
    });
    this.dataService.getData().subscribe(data => (this.ageData = data));
  }