我正在尝试使用 CSOM 设置任务级别自定义字段的值,并且当没有现有值因此没有自定义字段对象时遇到问题。
通过转到服务器设置 -> 企业自定义字段和查找表,我创建了三个任务实体自定义字段。
如果我在浏览器中编辑项目时向自定义字段添加值,则这些任务存在自定义字段对象;所有的 id 都与我创建的原始 ID 相同,我可以通过代码修改它们。
如果我第一次尝试在代码中为任务设置自定义字段值,它不起作用并且我收到“未知错误”(更多信息见下文)。
在我的代码中,我试图为这些任务更新这些字段:
private static DraftTask UpdateTaskCustomFields(DraftTask task, string taskDescription, string resourceId, double estRunHours, double actRunHours)
{
if (task == null) return null;
projectContext.Load(task.CustomFields);
projectContext.ExecuteQuery();
task["Custom_0000740fd5a8e41180e0005056823bd3"] = taskDescription;
task["Custom_85e91d7fd5a8e41180e0005056823bd3"] = estRunHours;
task["Custom_a178dc8bd5a8e41180e0005056823bd3"] = actRunHours;
task.CustomFields.Update();
return task;
}
我在以下块中从另一个调用此方法:
foreach (DataRow parentTask in parentTasks.Tables[0].Rows)
{
var parentTaskName = "";
var taskName = string.Format("{0}.{1}", parentTask["LOT_ID"], parentTask["SPLIT_ID"]);
var taskDescription = parentTask["WO_DESCRIPTION"].ToString();
var estRunHours = Convert.ToDouble(parentTask["RUN_HRS"]);
var actRunHours = Convert.ToDouble(parentTask["ACT_RUN_HRS"]);
var resourceId = "";
var task = GetTask(tasks, taskName);
if (task != null)
{
UpdateTaskCustomFields(task, taskDescription, resourceId, estRunHours, actRunHours);
itemCount += 3;
}
if (itemCount++ < batch) continue;
itemCount = 0;
if (!UpdateDraft(projectDraft)) ExitApp();
}
在第一个任务中,它调用 UpdateTaskCustomFields 方法没有任何错误,但在第二个任务中,在 projectContext.ExecuteQuery() 调用中引发以下错误:
Microsoft.SharePoint.Client.ServerException was unhandled
HResult=-2146233088
Message=Unknown Error
Source=Microsoft.SharePoint.Client.Runtime
ServerErrorCode=-1
ServerErrorTraceCorrelationId=b58ee69c-a7fb-40f8-19b2-171646b3a6c8
ServerErrorTypeName=Microsoft.SharePoint.Client.UnknownError
ServerStackTrace=""
StackTrace:
at Microsoft.SharePoint.Client.ClientRequest.ProcessResponseStream(Stream responseStream)
at Microsoft.SharePoint.Client.ClientRequest.ProcessResponse()
at Microsoft.SharePoint.Client.ClientRequest.ExecuteQueryToServer(ChunkStringBuilder sb)
at Microsoft.SharePoint.Client.ClientRequest.ExecuteQuery()
at Microsoft.SharePoint.Client.ClientRuntimeContext.ExecuteQuery()
at Microsoft.SharePoint.Client.ClientContext.ExecuteQuery()
at QueueCreateProject.Program.UpdateTaskCustomFields(DraftTask task, String taskDescription, String resourceId, Double estRunHours, Double actRunHours) in c:\Projects\ProjectServerApp\ProjectServerApp\Program.cs:line 617
at QueueCreateProject.Program.ImportTasksFromVisual() in c:\Projects\ProjectServerApp\ProjectServerApp\Program.cs:line 208
at QueueCreateProject.Program.Main(String[] args) in c:\Projects\ProjectServerApp\ProjectServerApp\Program.cs:line 41
at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
InnerException:
我想也许我还需要先将自定义字段直接添加到任务中,但这给了我一个关于已经存在/保留的字段的错误。
我假设我的整个过程是错误的,或者我需要以某种方式或类似的方式为任务实例化自定义字段,但我不知道该怎么做。
任何帮助,将不胜感激。
谢谢!
工作组