fix #553 pager related problems
fix #553 pager related problems
omusico/zfdatagrid,omusico/zfdatagrid,ashishittechnosoft/zfdatagrid,omusico/zfdatagrid,ashishittechnosoft/zfdatagrid,ashishittechnosoft/zfdatagrid,ashishittechnosoft/zfdatagrid,omusico/zfdatagrid