private void Row_DoubleClick(object sender, MouseButtonEventArgs e)
{
DialogueWindowAdd dialogueWindowAdd = new DialogueWindowAdd((Student)StudentsGrid.SelectedItem, this);
dialogueWindowAdd.Info.Content = "Edycja studenta";
dialogueWindowAdd.Show();
}
private void ButtonAdd_Click(object sender, RoutedEventArgs e)
{
DialogueWindowAdd dialogueWindowAdd = new DialogueWindowAdd(this);
dialogueWindowAdd.Show();
}