private void Button_Click(object sender, RoutedEventArgs e)
{
var(name, surname) = (student_name__txt_box.Text, student_surname__txt_box.Text);
if (string.IsNullOrEmpty(name) || string.IsNullOrEmpty(surname))
{
MessageBox.Show("Name or surname is empty.");
return;
}
if (education__combo_box.SelectedItem == null)
{
MessageBox.Show("Educational level is empty.");
return;
}
try
{
var birthday = new DateTime(
int.Parse(birthday_year__txt_box.Text),
int.Parse(birthday_month__txt_box.Text),
int.Parse(birthday_day__txt_box.Text));
viewModel.AddStudent(new Student(new Person(name, surname, birthday),
(EducationalLevel)education__combo_box.SelectedItem));
}
catch (Exception)
{
MessageBox.Show("Wrong birthday date.");
}
}