private void btnSave_Click(object sender, EventArgs e)
 {
     if (PEMRBusinessLogic.ActivePEMRObject != null)
     {
         if (PEMRBusinessLogic.ActivePEMRObject.List_VisitTiming_MedicalHistory == null)
         {
             Active_VisitTiming_MedicalHistory = PEMRBusinessLogic.CreateNew_VisitTiming_MedicalHistory(this, DB_PEMRSavingMode.SaveImmediately);
             if (Active_VisitTiming_MedicalHistory == null)
             {
                 return;
             }
             if (PEMRBusinessLogic.ActivePEMRObject.List_VisitTiming_MedicalHistory == null)
             {
                 PEMRBusinessLogic.ActivePEMRObject.List_VisitTiming_MedicalHistory = new List <VisitTiming_MedicalHistory>();
             }
             PEMRBusinessLogic.ActivePEMRObject.List_VisitTiming_MedicalHistory.Add(Active_VisitTiming_MedicalHistory);
             XtraMessageBox.Show("Saved Successfully", "Saved", MessageBoxButtons.OK,
                                 MessageBoxIcon.Information);
         }
         else
         {
             if (Active_VisitTiming_MedicalHistory == null)
             {
                 return;
             }
             if (PEMRBusinessLogic.Update_VisitTiming_MedicalHistory(this, Active_VisitTiming_MedicalHistory))
             {
                 XtraMessageBox.Show("Saved Successfully", "Saved", MessageBoxButtons.OK,
                                     MessageBoxIcon.Information);
             }
         }
     }
 }