// Remove a to-do task item from the database and collections.
public void DeleteSemesterItem(Semestar semesterForDelete)
{
ObservableCollection <Subject> marks = new ObservableCollection <Subject>();
foreach (Subject subject in AllSubjectItems)
{
if (semesterForDelete.OznakaSemestra == subject.OznakaSemestra)
{
marks.Add(subject);
}
}
foreach (Subject m in marks)
{
this.DeleteSubjectItem(m);
}
//studentusDB.SubmitChanges();
// Remove the to-do item from the "all" observable collection.
AllSemesterItems.Remove(semesterForDelete);
// Remove the to-do item from the data context.
studentusDB.Items.DeleteOnSubmit(semesterForDelete);
// Save changes to the database.
studentusDB.SubmitChanges();
}
// Add an object to the database and collections.
public void AddSemester(Semestar newSemesterItem)
{
// Add a to-do item to the data context.
studentusDB.Items.InsertOnSubmit(newSemesterItem);
// Add a to-do item to the "all" observable collection.
AllSemesterItems.Add(newSemesterItem);
// Save changes to the database.
studentusDB.SubmitChanges();
}
