toolStrip.addMember(saveButton);
ResourceGroupCriteria c = new ResourceGroupCriteria();
c.addFilterId(this.resourceGroupId);
c.fetchExplicitResources(true);
c.fetchResourceType(true);
GWTServiceLookup.getResourceGroupService().findResourceGroupsByCriteria(c,
new AsyncCallback<PageList<ResourceGroup>>() {
public void onFailure(Throwable caught) {
CoreGUI.getErrorHandler().handleError(MSG.view_group_membership_failFetch(), caught);
}