or
{ field: "", template: '<input type="button" class="btn btn-primary btn-xs" ng-click="openContactDialog(\'officeContactWindow\',Id=#=contactId#\,\'open\')" name="bEditContact" value="Edit" />', width: "60px"},{ field: "", template: '<input type="button" class="btn btn-primary btn-xs" ng-click="deleteContact(dataItem)" name="bDeleteContact" value="Delete" />', width: "60px"}{ "a": [ { "date": "2014-01-01", "value": 1 }, { "date": "2014-01-02", "value": 5 } ], "b": [ { "date": "2014-01-01", "value": 3 }, { "date": "2014-01-02", "value": 6 } ]}