constructor(private dialogRecipient:MatDialog,private fb: FormBuilder, private dialogRef: MatDialogRef<UpdateTaskComponent>,private snackBar: MatSnackBar,
    @Inject(MAT_DIALOG_DATA){Enabled ,TaskName, TaskDescription,EmailSubject, EmailBody, tTaskTeam, PK_Task}, private service: TaskService ) {
      this.pk_Task = PK_Task;
      console.log(this.pk_Task)
      this.form = fb.group({
        enabled: [Enabled],
        tTaskTeam: [tTaskTeam, Validators.required],
        taskName: [TaskName],
        taskDescription: [TaskDescription],
        emailSubject: [EmailSubject],
        emailBody: [EmailBody]
      })

      this.AdditionalRecipientForm = fb.group({
        recipientType: ['',Validators.required],
        tofficeUser: ['',Validators.required],
        tOfficeUserEmail: '',
        FK_Task: [this.pk_Task]
      })

    }

@ViewChild(MatAutocomplete) autoCompleteForTaskTeam: MatAutocomplete;
  @ViewChild('auto') auto: MatAutocomplete;
  @ViewChild('autotest') autotest: MatAutocomplete;
  @ViewChild(MatTable) table: MatTable<RecipientInterface>;
  @ViewChild(MatAutocompleteTrigger) trigger: MatAutocompleteTrigger;
  subscription: Subscription;

ngAfterViewInit() {

this._subscribeToClosingActions(this.form.controls.tTaskTeam);
                     this._subscribeToClosingActions(this.AdditionalRecipientForm.controls.recipientType);
this._subscribeToClosingActions(this.AdditionalRecipientForm.controls.tofficeUser);
        }

ngOnDestroy() {
  if (this.subscription && !this.subscription.closed) {
    this.subscription.unsubscribe();
  }
}

private _subscribeToClosingActions(control): void {
  if (this.subscription && !this.subscription.closed) {
    this.subscription.unsubscribe();
  }
  this.subscription = this.trigger.panelClosingActions
    .subscribe(e => {
      if (!e || !e.source) {
       control.setValue('');
      }
    },
    err => this._subscribeToClosingActions(control),
    () => this._subscribeToClosingActions(control));
}