private void update_btn__Click(object sender, RoutedEventArgs e)
{
try
{
subjectNames.Remove(subject.SubjectName);
subjectCodes.Remove(subject.SubjectCode);
subject = CreateSubjectEntity();
subjectNames.Add(subject.SubjectName);
subjectCodes.Add(subject.SubjectCode);
_subjectViewModel.UpdateSubjectData(subject);
subject_data_grid.ItemsSource = _subjectViewModel.LoadSubjectData();
ClearAll();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
