I have one small issue. in my view model parameterized constructor is not working. while debugging i observed that default constructor get hit but it never triggers my parameterized constructor. How I can get my parameterized constructor working?

public EmployeeRequestViewModel(IEventAggregator eventAggregator, IContextManager contextmanager):this()
    {
        _contextmanager = contextmanager;
        _eventAgg = eventAggregator;
        _eventAgg.GetEvent<EmployeeEvent>().Subscribe(EventTask);
    }

    public EmployeeRequestViewModel()
    {
        LoadEmpRequest();

    }