public DoctorBL() { DL = new DoctorDA(); patBL = new PatientBL(); }
public DepartmentBL() { DL = new DepartmentDA(); DocDL = new DoctorDA(); }
public DoctorBL() { DL = new DoctorDA(); patBL = new PatientBL(); }
public DepartmentBL() { DL = new DepartmentDA(); DocDL = new DoctorDA(); }