我有这个app.config:
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<configSections>
<sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
<section name="Me.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
</sectionGroup>
<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
<connectionStrings>
<add name="MyConnectionString01" connectionString="...." />
<add name="MyConnectionString02" connectionString="...." />
</connectionStrings>
<applicationSettings>
<Me.Properties.Settings>
<setting name="BaseDatosMedioAcceso" serializeAs="String">
<value>SQLServerEF6</value>
</setting>
</Me.Properties.Settings>
</applicationSettings>
<entityFramework>
<defaultConnectionFactory type="System.Data.Entity.Infrastructure.SqlConnectionFactory, EntityFramework" />
<providers>
<provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
</providers>
</entityFramework>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.1"/></startup>
</configuration>
但我想添加这种设置:
<DataBases>
<add Description="Local" ConnectionString="MyConnectionString01"/>
<add Description="Local (Test)" ConnectionString="MyConnectionString02"/>
</DataBases>
但我不知道tu把这个配置放在哪里。我试图创建一个配置部分,但它不起作用。
我们的想法是为用户提供易于阅读的描述,并将此描述与用于实体框架的连接字符串相关联。
感谢。
答案 0 :(得分:2)
要添加通用自定义键,您可以使用以下内容:
<configuration>
<appSettings>
<add key="Local" value="MyConnectionString01" />
<add key="LocalTest" value="MyConnectionString02" />
</appSettings>
</configuration>
要专门添加数据库连接字符串,请使用以下命令:
<configuration>
<connectionStrings>
<add name="Local" connectionString="MyConnectionString01"/>
<add name="LocalTest" connectionString="MyConnectionString02"/>
</connectionStrings>
</configuration>
随便,我不确定key或name参数中是否允许使用空格/特殊字符(即“Local(Test)”)。我从来没有见过有人在那里使用过。我会改用LocalTest。 http://msdn.microsoft.com/en-us/library/ms254494(v=vs.110).aspx