It works ! Thanks.   function reconfigure(sender, store, columns, oldStore, oldColumns, eOpts) { var grid = sender; for (var i = 0; i < columns.length; i++) { if (columns[i].getEditor()) { columns[i].getEditor().on('specialkey', function(field, e) { if (e.getKey() == 13) { ajaxRequest(grid, "BeforeCellKeyDown", ["keycode=13"], false); return e.keyCode; } }) } } }