public BAL_NhanVien()
{
db = new CoffeeEntities();
}
public BAL_LoaiMon()
{
db = new CoffeeEntities();
}
public BAL_Ban()
{
db = new CoffeeEntities();
}
public BAL_CaLamViec()
{
db = new CoffeeEntities();
}
public BAL_ChiTietHoaDon()
{
db = new CoffeeEntities();
}
public BAL_ChamCong()
{
db = new CoffeeEntities();
}
public BAL_PhanCong()
{
db = new CoffeeEntities();
}
public BAL_HoaDon()
{
db = new CoffeeEntities();
}
public BAL_LichSuHoatDong()
{
db = new CoffeeEntities();
}
public BAL_PhieuChi()
{
db = new CoffeeEntities();
}
public BAL_ThongTinQuan()
{
db = new CoffeeEntities();
}
public BAL_KhuVuc()
{
db = new CoffeeEntities();
}
