我希望在Umbraco 7中为自定义数据类型提供多行值（超过1个输入）。
目前，保存时会添加多行和数据，但添加5行后，保存时会出现以下错误：
Received an error from the server:
String or binary data would be truncated. The statement has been terminated.
...
我已将清单设置为期望JSON数据（但之前未定义）。
有人知道我做错了什么或如何为自定义Umbraco 7数据类型保存大量数据吗？
{
propertyEditors: [
{
alias: "Test",
name: "Test",
editor: {
view: "~/App_Plugins/Test/test.html",
hideLabel: false,
valueType: "JSON"
}
}
],
javascript: [
"~/App_Plugins/Test/test.controller.js"
]
}
...
<tbody>
<tr ng-repeat="value in model.value.list">
<th>{{value.name}}</th>
<td>{{value.size}}</td>
<td>{{value.weight}}</td>
</tr>
</tbody>
<tfoot>
<tr>
<th><input type="text" ng-model="addRowName" /></th>
<td><input type="text" ng-model="addRowSize" /></td>
<td>
<input type="text" ng-model="addRowWeight" />
<a ng-click="addRow()" href="">Add Row</a>
</td>
</tr>
</tfoot>
...
...
$scope.addRow = function() {
$scope.model.value.list.push({
name: $scope.addRowName,
size: $scope.addRowSize,
weight: $scope.addRowWeight
});
};
...