private void DocClickSpravca(object sender, RoutedEventArgs e)
{
DocGenerationForm DocForm = new DocGenerationForm(new DocSpravca((Students)List_One.SelectedItem));
DocForm.Show();
}
private void DocClickOthislit(object sender, RoutedEventArgs e)
{
DocGenerationForm DocForm = new DocGenerationForm(new DocOthislenie((Students)List_One.SelectedItem));
DocForm.Show();
}