private void MenuItemRefferalClickEvent(object sender, RoutedEventArgs e)
 {
     PCancerManagement.AdministrativeForm        adminForm = new PCancerManagement.AdministrativeForm();
     libCancerControls.Views.UserControlRefferal usrCntrl  = new libCancerControls.Views.UserControlRefferal();
     adminForm.LoadUserControl(usrCntrl);
     adminForm.ShowDialog();
 }
 void btn_select_disease_ICD_Click(object sender, RoutedEventArgs e)
 {
     PCancerManagement.AdministrativeForm adminForm = new PCancerManagement.AdministrativeForm();
     libCancerControls.Views.UserControlDiseaseSelector userCntrl = new libCancerControls.Views.UserControlDiseaseSelector();
     adminForm.LoadUserControl(userCntrl);
     adminForm.ShowDialog();
 }