private void AddMenuItem_Click(object sender, RoutedEventArgs e)
{
_studentAdd = new StudentAdd
{
UpdateBtn = { IsEnabled = false },
SaveBtn = { IsEnabled = true }
};
_studentAdd.ShowDialog();
StudentlistBox.ItemsSource = StudentList;
CountLabel.Content = StudentList.Count;
}
private void Button_Click(object sender, RoutedEventArgs e)
{
if (StudentlistBox.SelectedItem != null)
{
_studentAdd = new StudentAdd
{
SaveBtn = { IsEnabled = false },
UpdateBtn = { IsEnabled = true }
};
_studentAdd.ShowDialog();
}
else
{
MessageBox.Show("You not selected item!");
}
}