如何纠正这种类型错误无法读取的未定义的属性 [英] How to correct this TypeError Cannot read property of undefined
问题描述
我有作业列表我的布局页上的表。我使用rootscope和sessionStorage的保持什么都通过了该网站选定活跃。每个职业都有changeOrders。当我强调一个工作,我再点击changeOrder视图。属于该作业的changeOrders上出现的表。当我双击其中一个打开模式没有任何反应,我得到的错误信息。然而,当我选择的作业表的新工作将随后工作。因此,它是,最初的尝试是行不通的。
错误消息
类型错误:无法读取的未定义的属性作业名
在范围$ scope.editChangeOrderModal。(HTTP://本地主机:44301 / MyScripts / JobController.js:186:40)
在http://本地主机:44301 /脚本/ angular.js:10836:21
在http://本地主机:44301 /脚本/ angular.js:19094:17
在范围$的eval(HTTP://本地主机:44301 /脚本/ angular.js:12673:28)。
在适用范围适用于$(HTTP://本地主机:44301 /脚本/ angular.js:12771:23)。
在HTMLTableCellElement<&匿名GT; (HTTP://本地主机:44301 /脚本/ angular.js:19093:21)
在HTMLTableCellElement.x.event.dispatch(HTTP://本地主机:44301 /脚本/ jQuery的-1.10.2.min.js:22:14129)
在HTMLTableCellElement.v.handle(HTTP://本地主机:44301 /脚本/ jQuery的-1.10.2.min.js:22:10873)
控制器
//编辑ChangeOrder莫代尔
$ scope.currentItem = NULL;
$ scope.editChangeOrderModal =功能(模型){
$ scope.JobName = $ rootScope.job.JobName;
$ scope.JobId = $ rootScope.job.JobId;
$ scope.currentItem =模型;
$ ekathuwa.modal({
ID:editChangeOrderModal,contentStyle:宽度:800像素; heigth:400像素,
适用范围:$范围,
templateURL:ModalEditChangeOrder
});
}`
//同步表选择/的sessionStorage
$ scope.selectedJob = $ $ sessionStorage的默认($ scope.jobArray [1])。
$ scope.selectJob =功能(作业){$ rootScope.job =工作; angular.extend($ scope.selectedJob,工作); };
$ scope.clearSelectedJob =函数(){$ $ sessionStorage的复位()。 };`
布局网页的主要工作表
<表类=表表bordred表条纹表悬停>
< TR><第i否LT; /第i<第i个姓名和LT; /第i< / TR>
< TR NG重复=作业jobArray级=指针NG-CLASS ={亮点:job.JobNumber === selectedJob.JobNumber}>
< TD NG-DBLCLICK =editJobModal(工作)NG点击=selectJob(工作)> {{job.JobNumber}}< / TD>
< TD NG-DBLCLICK =editJobModal(工作)NG点击=selectJob(工作)> {{job.JobName}}< / TD>
< / TR>
< /表>
< / DIV><! - 结束作业TABL
更新code
//编辑ChangeOrder莫代尔
$ scope.currentItem = NULL;
$ scope.editChangeOrderModal =功能(模型){
如果($ rootScope.hasOwnProperty('工作')及和放大器;!$ rootScope.job = NULL){
$ scope.JobName = $ rootScope.job.JobName;
$ scope.JobId = $ rootScope.job.JobId;
}
//$scope.JobName = $ rootScope.job.JobName;
//$scope.JobId = $ rootScope.job.JobId;
$ scope.currentItem =模型;
$ ekathuwa.modal({
ID:editChangeOrderModal,contentStyle:宽度:800像素; heigth:400像素,
适用范围:$范围,
templateURL:ModalEditChangeOrder
});
}//找到工作
$ scope.jobArray = {};
JobGet.query(),然后(功能(数据){$ scope.jobArray =数据;}函数(原因){errorMngrSvc.handleError(原因);});
像typmeJV说,$ rootScope.job为null。
您可以这样做:
如果($ rootScope.hasOwnProperty('工作')及和放大器;!$ rootScope.job = NULL){
$ scope.JobName = $ rootScope.job.JobName;
$ scope.JobId = $ rootScope.job.JobId;
}
但是,这仍然味道不好?如果工作对象是从$ rootScope失踪不好的事情可能会发生。
你为什么把作业上的$ rootScope?
I have a table on my layout page with a list of jobs. i am using rootscope and sessionStorage to keep what ever is selected active through out the site. Every job has changeOrders. When I highlight a job I then click on the changeOrder view. the changeOrders that belong to that job appear on a table. when I double click on one of them to open the modal nothing happens and I get the error message. However when I select a new Job on the jobs table it will then work. So it is that initial try that does not work. Error Message
TypeError: Cannot read property 'JobName' of undefined
at Scope.$scope.editChangeOrderModal (http://localhost:44301/MyScripts/JobController.js:186:40)
at http://localhost:44301/Scripts/angular.js:10836:21
at http://localhost:44301/Scripts/angular.js:19094:17
at Scope.$eval (http://localhost:44301/Scripts/angular.js:12673:28)
at Scope.$apply (http://localhost:44301/Scripts/angular.js:12771:23)
at HTMLTableCellElement.<anonymous> (http://localhost:44301/Scripts/angular.js:19093:21)
at HTMLTableCellElement.x.event.dispatch (http://localhost:44301/Scripts/jquery-1.10.2.min.js:22:14129)
at HTMLTableCellElement.v.handle (http://localhost:44301/Scripts/jquery-1.10.2.min.js:22:10873)
Controller
//Edit ChangeOrder Modal
$scope.currentItem = null;
$scope.editChangeOrderModal = function (model) {
$scope.JobName = $rootScope.job.JobName;
$scope.JobId = $rootScope.job.JobId;
$scope.currentItem = model;
$ekathuwa.modal({
id: "editChangeOrderModal", contentStyle: "width:800px;heigth:400px",
scope: $scope,
templateURL: "ModalEditChangeOrder"
});
}`
//Sync Table Selections / sessionStorage
$scope.selectedJob = $sessionStorage.$default($scope.jobArray[1]);
$scope.selectJob = function (job) { $rootScope.job = job; angular.extend($scope.selectedJob, job); };
$scope.clearSelectedJob = function () { $sessionStorage.$reset(); };`
Layout page Main Job table
<table class=" table table-bordred table-striped table-hover">
<tr><th>No</th><th>Name</th></tr>
<tr ng-repeat="job in jobArray" class="pointer" ng-class="{highlight: job.JobNumber===selectedJob.JobNumber}">
<td ng-dblclick="editJobModal(job)" ng-click="selectJob(job)">{{job.JobNumber}}</td>
<td ng-dblclick="editJobModal(job)" ng-click="selectJob(job)">{{job.JobName}}</td>
</tr>
</table>
</div><!--End Job Tabl
Updated Code
//Edit ChangeOrder Modal
$scope.currentItem = null;
$scope.editChangeOrderModal = function (model) {
if ($rootScope.hasOwnProperty('job') && $rootScope.job != null) {
$scope.JobName = $rootScope.job.JobName;
$scope.JobId = $rootScope.job.JobId;
}
//$scope.JobName = $rootScope.job.JobName;
//$scope.JobId = $rootScope.job.JobId;
$scope.currentItem = model;
$ekathuwa.modal({
id: "editChangeOrderModal", contentStyle: "width:800px;heigth:400px",
scope: $scope,
templateURL: "ModalEditChangeOrder"
});
}
//GET Jobs
$scope.jobArray = {};
JobGet.query().then(function (data) { $scope.jobArray = data; }, function (reason) { errorMngrSvc.handleError(reason); });
Like typmeJV said, $rootScope.job is null.
You can do:
if ($rootScope.hasOwnProperty('job') && $rootScope.job != null) {
$scope.JobName = $rootScope.job.JobName;
$scope.JobId = $rootScope.job.JobId;
}
But this still smells bad? If the job object is missing from the $rootScope bad things may happen.
Why are you putting the job on the $rootScope?
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