/// <summary>
 /// Get the datatable of appointments and doctors by patientID
 /// </summary>
 /// <param name="patientID">Patient ID as an integer</param>
 /// <returns></returns>
 public DataTable GetAppointmentsAndDoctorByPatientID(int patientID)
 {
     return(appointmentDAL.GetAppointmentsAndDoctorByPatientID(patientID));
 }