.contains( insertObj.getParent( ) );
.contains( insertObj.getElementHandle( ) );
	protected static boolean handleValidateDataSetColumn(			DataSetItemModel insertObj, EditPart target )	{		if ( handleValidateDataSetColumnDropContainer( target )				&& DNDUtil.handleValidateTargetCanContainType( target.getModel( ),						ReportDesignConstants.DATA_ITEM ) )		{			// Validates target is report root			if ( target.getModel( ) instanceof ModuleHandle )			{				return true;			}			// Validates target's dataset is null or the same with the inserted			DesignElementHandle handle = (DesignElementHandle) target.getParent( )					.getModel( );			if ( handle instanceof ReportItemHandle					&& ( (ReportItemHandle) handle ).getDataSet( ) == null )			{				return true;			}			return DEUtil.getDataSetList( handle )					.contains( insertObj.getParent( ) );		}		return false;	}