public AddAnswerViewModel()
        {
            vml = new ViewModelLocator();
            qvm = vml.Questions;

            AddAnswerCommand = new RelayCommand(AddAnswer);
        }
 public AddCompanyViewModel()
 {
     vml = new ViewModelLocator();
     qvm = vml.Companies;
     AddCompanyCommand = new RelayCommand(AddCompany);
 }
 public AddQuestionViewModel()
 {
     vml = new ViewModelLocator();
     qvm = vml.Questions;
     AddQuestionCommand = new RelayCommand(AddQuestion);
 }