在我的 winform 应用程序中，我尝试添加 userSetting，尽管 appSettings 也出现错误。添加设置后，我收到一个异常，其中显示：“配置系统无法初始化”，并带有内部异常“无法识别的配置部分 userSetting”
异常详细信息：
System.Configuration.ConfigurationErrorsException was unhandled
Message="Configuration system failed to initialize"
Source="System.Configuration"
BareMessage="Configuration system failed to initialize"
Line=0
StackTrace:
at System.Configuration.ConfigurationManager.PrepareConfigSystem()
at System.Configuration.ConfigurationManager.RefreshSection(String sectionName)
at System.Configuration.ClientSettingsStore.ReadSettings(String sectionName, Boolean isUserScoped)
at System.Configuration.LocalFileSettingsProvider.GetPropertyValues(SettingsContext context, SettingsPropertyCollection properties)
at System.Configuration.SettingsBase.GetPropertiesFromProvider(SettingsProvider provider)
at System.Configuration.SettingsBase.GetPropertyValueByName(String propertyName)
at System.Configuration.SettingsBase.get_Item(String propertyName)
at System.Configuration.ApplicationSettingsBase.GetPropertyValue(String propertyName)
at System.Configuration.ApplicationSettingsBase.get_Item(String propertyName)
at Settings.get_ApplicationData() in \Properties\Settings.Designer.cs:line 41
at Common.Initialize.IsSettingsInitialized()
at SurveyClient.Program.Main()
at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args)
at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
InnerException: System.Configuration.ConfigurationErrorsException
Message="Unrecognized configuration section userSettings.
Source="System.Configuration"
BareMessage="Unrecognized configuration section userSettings."
Line=3
StackTrace:
at System.Configuration.ConfigurationSchemaErrors.ThrowIfErrors(Boolean ignoreLocal)
at System.Configuration.BaseConfigurationRecord.ThrowIfParseErrors(ConfigurationSchemaErrors schemaErrors)
at System.Configuration.BaseConfigurationRecord.ThrowIfInitErrors()
at System.Configuration.ClientConfigurationSystem.OnConfigRemoved(Object sender, InternalConfigEventArgs e)
InnerException:
我有一些用户设置，然后删除了所有设置并开始看到此异常 - 但仅在运行应用程序而不进行调试时。调试应用程序时效果很好。原因是用户级设置“缓存”在本地应用程序数据文件夹中，实际上不会从应用程序中读取MYAPP.exe.config.
所以我所做的就是去C:\Users\MYUSERNAME\AppData\Local\MYCOMPANY\MYAPP.exe_Url_longnastyhash9982749827349879\1.0.0.0\user.config（这是在 Win7 上，路径取决于操作系统）并完全删除该文件夹（带有长哈希）。异常消失了。
顺便说一句，根据您的设置方式，此 user.config 文件可能位于\AppData\Local or \AppData\Roaming.
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