public PhanNhomDao()
{
db = new BaoCaoOnlineDbContext();
}
public ThongTinNhomDao()
{
db = new BaoCaoOnlineDbContext();
}
public SinhVienDao()
{
db = new BaoCaoOnlineDbContext();
}
public BangDkDaDao()
{
db = new BaoCaoOnlineDbContext();
}
public NhomDaTtDao()
{
db = new BaoCaoOnlineDbContext();
}
public GiangVienDao()
{
db = new BaoCaoOnlineDbContext();
}
public LoaiDaDao()
{
db = new BaoCaoOnlineDbContext();
}
