如果我们在先前的步骤中读取过数据,如 var list = db.Model.ToList(); 之后再,附加 var o = new Model { Id = 1 }; db.Model.Attach(o); 就会报,类似这样的错误 Attaching an entity of type 'efA...
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其他好文 时间:
2015-05-08 12:17:24
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292
以下是分析记录:
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以上命令的参数可从 ubifs 挂载信息中提取:
UBI: attaching mtd5 to ubi0
UBI: physical eraseblock size: 131072 bytes (128 KiB)...
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其他好文 时间:
2015-05-02 09:41:30
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385
启动, 附加进程, 执行和退出(Starting, Attaching, Executing and Exiting)=======================Start -> All Programs -> Debugging Tools for Windows -> WinDBG启动F6at...
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数据库 时间:
2014-10-21 16:55:42
阅读次数:
324
用UnitOfWork进行实体更新的时候,再查询实体一次,再去更新的时候会报如下错误:Attaching an entity of type 'TinyFrame.Data.DomainModel.t_user_application' failed because another entity o...
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其他好文 时间:
2014-09-10 13:59:00
阅读次数:
314
参考:http://www.codeproject.com/Articles/43586/File-System-Filter-Driver-Tutorial关键点:To perform attaching, we create a new device object with the device...
IntroductionRecently I was playing around with
Entity Framework (EF) and evaluating it for some projects. I had a very hard
time figuring out how to a...
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数据库 时间:
2014-05-08 13:05:33
阅读次数:
678