fixes issue #640
fixes issue #640
ashishittechnosoft/zfdatagrid,omusico/zfdatagrid,ashishittechnosoft/zfdatagrid,omusico/zfdatagrid,ashishittechnosoft/zfdatagrid,omusico/zfdatagrid,omusico/zfdatagrid,ashishittechnosoft/zfdatagrid