private void RemoveStudFromLab(student s, lab l)
{
// delete old presents of student
context.GetLabdatesOfLab(LabID).ForEach(ld => {
context.GetPresentsOfLabdate(ld.labdateID)
.Where(p => p.student_studentID == s.studentID)
.ToList()
.ForEach(p => {
dataAccess.PresentContext.Remove(p.presentID);
});
});
// delete old taskDones of student
context.GetTasksOfLab(LabID).ForEach(t => {
context.GetTaskDonesOfTask(t.taskID)
.Where(tD => tD.student_studentID == s.studentID)
.ToList()
.ForEach(tD => {
dataAccess.TaskDoneContext.Remove(tD.taskDoneID);
});
});
context.RemoveStudFromLab(s, l);
}
