从客户端取消ADO.NET数据服务中的查询执行 [英] Cancellation of query execution in ADO.NET Data Service from client

问题描述

在我的Silverlight应用程序（或典型的Windows / WPF应用程序）中，我需要运行长时间运行的查询。在某些情况下，用户需要取消长时间运行的查询。如何通过ADO.NET数据服务客户端实现这一目标？

问候，来自Madhanmohan S

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来自印度的Madhanmohan S

Hi,
      In my Silverlight application(or typical Windows/WPF Application), I need to run long running queries. There are scenarios where user needs to cancel the long running query. How can this be achieved with ADO.NET Data Services client?

Regards,
Madhanmohan S

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Madhanmohan S from India

推荐答案

启动查询后，您可以保留从BeginExecuteCall返回的IASYncREsult。
然后在dataServiceContext实例上调用CancelREquest来取消请求。

Once you kick off the query , you can hold the IASYncREsult returned from the BeginExecuteCall .
and then Call CancelREquest on the dataServiceContext instance to cancel the request.

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