private void SubmitButton_Click(object sender, RoutedEventArgs e)
        {
            string results = String.Empty;

            if ((results = isValidInput()).Equals(String.Empty))
            {
                SelectionDetail selection = new SelectionDetail()
                {
                    StudentNumber = StudentNumber.Text,
                    FirstName     = FirstName.Text,
                    LastName      = LastName.Text,
                    FirstChoice   = FirstOption.SelectedValue.ToString(),
                    SecondChoice  = SecondOption.SelectedValue.ToString(),
                    ThirdChoice   = ThirdOption.SelectedValue.ToString(),
                    FourthChoice  = FourthOption.SelectedValue.ToString()
                };

                StudentOptionsService.StudentOptionsServiceClient prxy = new StudentOptionsService.StudentOptionsServiceClient();
                prxy.AddOptionSelectionCompleted += new EventHandler <AddOptionSelectionCompletedEventArgs>(prxy_AddOptionSelectionCompleted);
                prxy.AddOptionSelectionAsync(selection);
            }
            else
            {
                ErrorWindow ew = new ErrorWindow(results);
                ew.Show();
            }
        }
        public MainPage()
        {
            InitializeComponent();

            StudentOptionsService.StudentOptionsServiceClient prxy = new StudentOptionsService.StudentOptionsServiceClient();
            prxy.GetOptionsCompleted += new EventHandler <GetOptionsCompletedEventArgs>(prxy_GetOptionsCompleted);
            prxy.GetOptionsAsync();
        }