为什么在保存配置时 App.config 文件不会被覆盖? [英] Why don't App.config file doesn't get overwritten when the config is saved?

问题描述

我使用此代码向 WPF 应用程序中的 App.config 添加一些设置.我以为这是一个简单的过程，但最终我无法将设置保存到文件中.这是代码

I have this code to add some settings to the App.config in a WPF application. I thought it was a simple procedure, but in the end I couldn't save the setting to the file. Here is the code

 var configFile = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
var settings = configFile.AppSettings.Settings;

settings.Add("server2", "http://someserver.com");    
 configFile.Save(ConfigurationSaveMode.Modified);
         ConfigurationManager.RefreshSection(configFile.AppSettings.SectionInformation.Name);

这里是 App.config 文件

An here is the App.config file

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.1" />
    </startup>
  <appSettings>
    <add key="server1" value="someserver.net"/>
  </appSettings>
</configuration>

可能是什么问题?

推荐答案

每次从 Visual Studio 运行应用程序都会创建一个新的 vshost.config.所以设置又是空的.

Running the application from visual studio will create a new vshost.config every time. And so the settings are empty again.

代码正确，设置也会保存在配置文件中.尝试运行 Debug/Release 文件夹中的 .exe 文件，更改将被反映.

The code is correct and settings will also be saved in config file. Try running the .exe file from Debug/Release folder, the changes will be reflected.

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