public void Edit(int id, string title, byte mark, byte course, int student, int teacher)
{
CourseWork cw = GetCourseWork(id);
cw.Title = title;
cw.Mark = mark;
cw.Course = course;
cw.Student = cont.StudentSet.Find(student);
cw.Teacher = cont.TeacherSet.Find(teacher);
cont.SaveChanges();
}
public void Add(string title, byte mark, byte course, int student, int teacher)
{
CourseWork cw = new CourseWork();
cw.Title = title;
cw.Mark = mark;
cw.Course = course;
cw.Student = cont.StudentSet.Find(student);
cw.Teacher = cont.TeacherSet.Find(teacher);
cont.CourseWorkSet.Add(cw);
cont.SaveChanges();
}