public teacher getTeacher(string id) { teacher tchr = database.teachers.First(data => data.idteachers == id); return(tchr); }
public void deleteTeacher(string id) { teacher tchr = database.teachers.First(data => data.idteachers == id); database.teachers.Remove(tchr); }
public void insertTeacher(ref teacher tchr) { database.teachers.Add(tchr); database.SaveChanges(); }