ConfigurationManager.ConnectionStrings从machine.config返回额外的连接字符串 [英] ConfigurationManager.ConnectionStrings returns extra connection string from machine.config

问题描述

我在写一个windows服务，我需要在App.config中定义的所有连接字符串的列表。

I'm writing a windows service and I need the list of all connection strings defined in App.config.

我使用System.Configuration.ConfigurationManager.ConnectionStrings获取所有连接。

I Used System.Configuration.ConfigurationManager.ConnectionStrings to get all connections.

它总是返回此额外连接：

it always return this extra connection:

data source = .\SQLEXPRESS;集成Security = SSPI; AttachDBFilename = | DataDirectory | aspnetdb.mdf; User Instance = true

data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true

我认为是在machine.config中添加

that I think is added in machine.config.

my App.config is：

my App.config is:

<add name="AvmPortalConnectionString"
    connectionString="Data Source=.;Initial Catalog=AvmPortal;Integrated Security=True"
    providerName="System.Data.SqlClient" />

get only connection App.config中定义的字符串（而不是machine.config中的字符）

Is there anyway that I can get only connection Strings defined in App.config(not the one in machine.config)

我可以删除这个，但是我想知道是否有更简洁的方法！

I can remove this, but I wonder if there is a cleaner way!

感谢

推荐答案

尝试在添加之前添加清除： / p>

Try adding a clear before the add:

<connectionStrings>
    <clear />
    <add name="AvmPortalConnectionString"
        connectionString="Data Source=.;Initial Catalog=AvmPortal;Integrated Security=True"
        providerName="System.Data.SqlClient" />
</connectionStrings>

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