Cannot attach the file ‘{0}' as database '{1}'

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Cannot attach the file ‘{0}' as database '{1}'

EF使用CodeFirst,当使用localDB时,删除mdf文件,会报“Cannot attach the file ‘{0}' as database '{1}'”错误. 解决方法如下: 1.打开Visual Studio 命令提示 2.sqllocaldb.exe stop v11.0 3.sqllocaldb.exe delete v11.0 然后重新生成数据库文件即可…

EF架构~Cannot attach the file as database

回到目录 Cannot attach the file as database这个异常是在EF的code frist里经常出现的,解决方法很简单,只要重新启动一下V11实例即可. CMD> sqllocaldb.exe stop v11. LocalDB instance "v11.0" stopped. CMD> CMD> sqllocaldb.exe delete v11. LocalDB instance "v11.0" deleted. C…

Cannot attach the file as database 'membership'.

Cannot attach the file 'D:\GitHome\cae\CAE\App_Data\membership.mdf' as database 'membership'. 说明: 执行当前 Web 请求期间,出现未经处理的异常.请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息. 异常详细信息: System.Data.SqlClient.SqlException: Cannot attach the file 'D:\GitHome\cae\CAE\App_…

Cannot attach the file as database

Cannot attach the file as database这个异常是在EF的code frist里经常出现的,解决方法很简单,只要重新启动一下V11实例即可. CMD> sqllocaldb.exe stop v11.0 LocalDB instance "v11.0" stopped. CMD> CMD> sqllocaldb.exe delete v11.0 LocalDB instance "v11.0" deleted. CMD&…

异常处理：Cannot attach the file as database 'membership'.

Cannot attach the file 'D:\GitHome\cae\CAE\App_Data\membership.mdf' as database 'membership'. 说明: 执行当前 Web 请求期间,出现未经处理的异常.请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息. 异常详细信息: System.Data.SqlClient.SqlException: Cannot attach the file 'D:\GitHome\cae\CAE\App_…

SQL SERVER – Attach mdf file without ldf file in Database

Background Story: One of my friends recently called up and asked me if I had spare time to look at his database and give him a performance tuning advice. Because I had some free time to help him out, I said yes. I asked him to send me the details of…

Cannot attach the file “MvcMovie.mdf” as database “aspnet-MvcMovie”

今天在微软开发人员官网上学习asp.net mvc5入门的时候,遇到一个棘手的问题,我是按照教程一步一步操作的,但期间遇到一个自己觉得莫名其妙的问题,教程中也没有提到这个, 在添加新字段这一章节,跟着教程操作到“update-database”后,程序包管理控制台报了一个错误,“Cannot attach the file “MvcMovie.mdf” as database “aspnet-MvcMovie”,搞了大半天没明白为什么报这个错误,后来把web.config文件的链接字符串中的“I…