FIX-75: Use the method addExtraColumns more than once
FIX-75: Use the method addExtraColumns more than once
ashishittechnosoft/zfdatagrid,omusico/zfdatagrid,omusico/zfdatagrid,omusico/zfdatagrid,ashishittechnosoft/zfdatagrid,ashishittechnosoft/zfdatagrid,omusico/zfdatagrid,ashishittechnosoft/zfdatagrid