private void GetPatient(object sender, EventArgs e)
{
var btn = sender as Button;
int id = Convert.ToInt32(btn.Tag);
SessionTimeId = id;
patient = examinationController.GetPatient(SessionTimeId, doctor.DoctorId, DateTime.Today);
lblPatientName.Text = string.Format("{0} {1}", patient.PatientFirstName, patient.PatientLastName);
pnlPatientStatus.Visible = true;
//MessageBox.Show(id.ToString());
}