2011-04-08 78 views
0

對於我的RIA服務調用「GetProjectItemSummariesQuery」時出現以下異常。奇怪的是,它只發生四次或五次我稱之爲函數。獲取異常

System.ServiceModel.DomainServices.Client.DomainOperationException: Load operation failed for query 'GetProjectItemSummaries'. Object reference not set to an instance of an object. 
    at System.ServiceModel.DomainServices.Client.OperationBase.Complete(Exception error) 
    at System.ServiceModel.DomainServices.Client.LoadOperation.Complete(Exception error) 
    at System.ServiceModel.DomainServices.Client.DomainContext.CompleteLoad(IAsyncResult asyncResult) 
    at System.ServiceModel.DomainServices.Client.DomainContext.<>c__DisplayClass1b.<Load>b__17(Object) 

編輯:

我放在一個try/catch兩所調用的服務,並調用函數。他們一無所獲。

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您是否返回大量結果(> 5,000)? – 2011-04-08 16:04:05

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@Nissan,還沒有,還沒有。 – Jordan 2011-04-08 17:40:54

回答

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錯誤的一組SortDescriptor或FilterDescriptor可能產生相同的錯誤