writeColumns( obj, GridItem.COLUMN_SLOT ); writeContents( obj, GridItem.ROW_SLOT, null );
writeColumns( obj, IGridItemModel.COLUMN_SLOT ); writeContents( obj, IGridItemModel.ROW_SLOT, null );
	public void visitGrid( GridItem obj )	{		// provide bound column compatibility		boundColumnsMgr.dealGrid( obj, getModule( ) );		writer.startElement( DesignSchemaConstants.GRID_TAG );		super.visitGrid( obj );		writeColumns( obj, GridItem.COLUMN_SLOT );		writeContents( obj, GridItem.ROW_SLOT, null );		writer.endElement( );	}