Jquery ui网格可扩展，不显示数据

我正在尝试在可扩展选项中绑定ui网格。我能够获得数据，但似乎我遗漏了一些东西。有人能给我一些建议吗

这是我的密码

--控制器--

----------aspx页

            <div ng-controller="MainCtrl" ng-app="app">
            <div class="control-group">
            <input type="button" class="btn btn-small" ng-click="expandAllRows()" value="Expand All"/>
            <input type="button" class="btn btn-small" ng-click="collapseAllRows()" value="Collapse All"/>
            </div>
            <div ui-grid="gridOptions" ui-grid-pinning ui-grid-expandable class="grid"></div>
            </div>

---

找到了它。作业错了

$scope.gridOptions.data='resultdata'

            [{
                "Check_number": "116511",
                "Check_date": "2012-11-21T00:00:00",
                "Detail": [{
                    "Check_number": "116511",
                    "Voucher_number": "10000115",
                    "Invoice_number": "10000115",
                    "Invoice_date": "2017-03-23T16:03:38.303",
                    "Invoice_amount": 125.0,
                    "Vendor_number": "01234"    
                }, {
                    "Check_number": "116511",
                    "Voucher_number": "10000115",
                    "Invoice_number": "10000115",
                    "Invoice_date": "2017-03-23T16:03:38.303",
                    "Invoice_amount": 125.0,
                    "Vendor_number": "01234"        
                }]
            }]

            <div ng-controller="MainCtrl" ng-app="app">
            <div class="control-group">
            <input type="button" class="btn btn-small" ng-click="expandAllRows()" value="Expand All"/>
            <input type="button" class="btn btn-small" ng-click="collapseAllRows()" value="Collapse All"/>
            </div>
            <div ui-grid="gridOptions" ui-grid-pinning ui-grid-expandable class="grid"></div>
            </div>