public BL_Ban(FrmSuDungDichVu f) { daTable = new DA_Ban(); daHoaDon = new DA_HoaDon(); blHoaDon = new BL_HoaDon(f); frmSuDungDichVu = f; }
public BL_Ban(FrmSuDungDichVu f) { daTable = new DA_Ban(); blHoaDon = new BL_HoaDon(f); blNhanVien = new BL_NhanVien(f); blKhachHang = new BL_KhachHang(f); frmSuDungDichVu = f; }