public void CreateChuongBai(string idMonHoc, int soChuong, string tenChuong, string maChuong, int soBai)
{
ChuongBai cb = new ChuongBai();
cb.ID = Guid.NewGuid().ToString();
cb.ID_MonHoc = idMonHoc;
cb.SoChuong = soChuong;
cb.TenChuong = tenChuong;
cb.MaChuong = maChuong;
cb.SoBai = soBai;
cb.InUsed = true;
cb.IsDeleted = false;
db.ChuongBais.InsertOnSubmit(cb);
db.SubmitChanges();
}
public ChuongBai getChuongBaiByID(string idChuongBai)
{
ChuongBai cb = db.ChuongBais.SingleOrDefault(p => p.ID == idChuongBai);
return(cb);
}