public void InsertStudentLectureAssociations()
{
Student Carla = dataContext.Students.First(st => st.Name.Equals("Carla"));
Student Toni = dataContext.Students.First(st => st.Name.Equals("Toni"));
Student Leyla = dataContext.Students.First(st => st.Name.Equals("Leyla"));
Student James = dataContext.Students.First(st => st.Name.Equals("James"));
Lecture Math = dataContext.Lectures.First(lc => lc.Name.Equals("Math"));
Lecture History = dataContext.Lectures.First(lc => lc.Name.Equals("History"));
dataContext.StudentLectures.InsertOnSubmit(new StudentLecture
{
Student = Carla,
Lecture = Math
});
dataContext.StudentLectures.InsertOnSubmit(new StudentLecture
{
Student = Toni,
Lecture = Math
});
// Another way to insert
StudentLecture slToni = new StudentLecture();
slToni.Student = Toni;
slToni.LectureId = History.Id;
dataContext.StudentLectures.InsertOnSubmit(slToni);
dataContext.StudentLectures.InsertOnSubmit(new StudentLecture
{
Student = Leyla,
Lecture = History
});
dataContext.SubmitChanges();
MainDataGrid.ItemsSource = dataContext.StudentLectures;
}
private void detach_StudentLectures(StudentLecture entity)
{
this.SendPropertyChanging();
entity.Lecture = null;
}
private void attach_StudentLectures(StudentLecture entity)
{
this.SendPropertyChanging();
entity.Lecture = this;
}
partial void DeleteStudentLecture(StudentLecture instance);
partial void UpdateStudentLecture(StudentLecture instance);
partial void InsertStudentLecture(StudentLecture instance);
