如何通过 app.config 变量覆盖 settings.settings 变量 [英] How to override settings.settings variable by app.config variable
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问题描述
如何通过在生产环境中向 app.config 添加变量来更改(或覆盖)settings.settings 变量?
How can I change (or override) a settings.settings variable by adding a variable to the app.config on production?
这可能吗?
推荐答案
您必须直接引用您要覆盖的 applicationSettings 并明确指定具有替换值的属性.
You have to directly reference the applicationSettings you're trying to override and explicitly specify the property that has a replaced value.
<configuration>
<!-- section definitions for all elements in <configuration> tag -->
<configSections>
<!-- section group, meaning: there will be a <applicationSettings> tag in you configuration-->
<sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
<!-- defines that there will be a <appname.Properties.Settings> tag inside your <applicationSettings> tag -->
<section name="appname.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
</sectionGroup>
</configSections>
<applicationSettings>
<appname.Properties.Settings>
<!-- name of the property you want to override -->
<setting name="setting1" serializeAs="String">
<!-- new value -->
<value>new string value</value>
</setting>
</appname.Properties.Settings>
</applicationSettings>
</configuration>
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