public void addPropertyChangeListener(PropertyChangeListener l) {
   propertyChangeSupport.addPropertyChangeListener(l);
 }
 public void removePropertyChangeListener(PropertyChangeListener l) {
   propertyChangeSupport.removePropertyChangeListener(l);
 }
 public void setAssetDashboardList(List<DashboardPurchasing> AssetDashboardList) {
   List<DashboardPurchasing> oldAssetDashboardList = AssetDashboardListService.AssetDashboardList;
   AssetDashboardListService.AssetDashboardList = AssetDashboardList;
   propertyChangeSupport.firePropertyChange(
       "AssetDashboardList", oldAssetDashboardList, AssetDashboardList);
 }