如何在visual studio 2012中将“用户实例”设置为本地数据库的“true”

问题描述

I am trying to set the 'user instance' to 'true' of local database in Visual Studio 2012 as it is needed in making the project as .exe, however, when I try to modify the connection, it gives me an error like: 

'The user instance login flag is not allowed when connecting to a user instance of SQL Server. The connection will be closed.'

我尝试过：

What I have tried:

Here is the connection string:

    `SqlConnection sql = new SqlConnection(@"Data Source=(LocalDB)\v11.0;AttachDbFilename=C:\Users\Karen Kate\Documents\DateRangeTest.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True;Context Connection=False");`

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