private void GroupAddButtonClick(object sender, RoutedEventArgs e)
{
var db = (Application.Current as App).db;
Model.Group g = new Model.Group
{
Number = 1,
Course = 1,
Track = "POKS"
};
db.Groups.Add(g);
(this.Resources["groupViewSource"] as CollectionViewSource).View.Refresh();
}
private void RemoveGroupButton_Click(object sender, RoutedEventArgs e)
{
var db = (Application.Current as App).db;
Model.Group group = groupsListBox.SelectedItem as Model.Group;
if (group != null)
{
var studentViewSource = ((CollectionViewSource)(this.FindResource("studentViewSource")));
var studentsCollection = studentViewSource.Source as ObservableCollection <Model.Student>;
foreach (Model.Student s in studentsCollection.ToArray <Model.Student>())
{
if (s.GroupId == group.Id)
{
db.Students.Remove(s);
}
}
db.Groups.Remove(group);
(this.Resources["groupViewSource"] as CollectionViewSource).View.Refresh();
}
}