How to batch operations????

For example,I want to delete multiple records, I need to batch operations,How do I,Or have any examples you can learn。Thanks…

in dhtmlXGrid you may add/delete rows one by one

No better way???

With help of updateFromXML() method you can delete missed rows.
Look here for more information http://docs.dhtmlx.com/doku.php?id=dhtmlxgrid:api_method_dhtmlxgridobject_updatefromxml