在运行时以编程方式更改 app.config
Change app.config programmatically at the runtime
我想在运行时动态更改 appconfig 中的 TNS_ADMIN 属性。
这里是 app.config;
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<configSections>
<section name="oracle.manageddataaccess.client"
type="OracleInternal.Common.ODPMSectionHandler, Oracle.ManagedDataAccess, Version=4.122.18.3, Culture=neutral, PublicKeyToken=89b483f429c47342"/>
</configSections>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
</startup>
<system.data>
<DbProviderFactories>
<remove invariant="Oracle.ManagedDataAccess.Client"/>
<add name="ODP.NET, Managed Driver" invariant="Oracle.ManagedDataAccess.Client" description="Oracle Data Provider for .NET, Managed Driver"
type="Oracle.ManagedDataAccess.Client.OracleClientFactory, Oracle.ManagedDataAccess, Version=4.122.18.3, Culture=neutral, PublicKeyToken=89b483f429c47342"/>
</DbProviderFactories>
</system.data>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<publisherPolicy apply="no"/>
<assemblyIdentity name="Oracle.ManagedDataAccess" publicKeyToken="89b483f429c47342" culture="neutral"/>
<bindingRedirect oldVersion="4.122.0.0 - 4.65535.65535.65535" newVersion="4.122.18.3"/>
</dependentAssembly>
</assemblyBinding>
</runtime>
<oracle.manageddataaccess.client>
<version number="*">
<settings>
<setting name="TNS_ADMIN" value="asd" />
</settings>
</version>
</oracle.manageddataaccess.client>
</configuration>
目前我正在尝试做的是这个;
var config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
config.AppSettings.Settings.Add("TNS_ADMIN", @"anylocation");
config.Save(ConfigurationSaveMode.Modified);
ConfigurationManager.RefreshSection("appSettings");
然而,这又增加了一个部分。
如何动态更改 tnsadmin?
因为您使用的是自定义部分,所以您需要使用:
var xmlDoc = new XmlDocument();
xmlDoc.Load(AppDomain.CurrentDomain.SetupInformation.ConfigurationFile);
var path = @"//oracle.manageddataaccess.client/version/settings/setting[@name='TNS_ADMIN']";
var attrs = xmlDoc.SelectSingleNode(path).Attributes["value"].Value = "some value";
xmlDoc.Save(AppDomain.CurrentDomain.SetupInformation.ConfigurationFile);
ConfigurationManager.RefreshSection(path);
这应该适用于默认 appSettings
部分:
System.Configuration.Configuration cnf = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
cnf.AppSettings.Settings["TNS_ADMIN"].Value = "my value";
cnf.Save(ConfigurationSaveMode.Modified);
您的代码添加了一个新部分,因为您告诉它
而不是
config.AppSettings.Settings.Add("TNS_ADMIN", @"anylocation");
尝试
config.AppSettings.Settings["TNS_ADMIN"].Value = "NewValue";
将NewValue
更改为您想要的任何内容
您的配置中没有任何地方 appSettings
。这可能会导致抛出错误。如果您不提供引发错误的行,将无法确定。尝试用 <appSettings>
:
包裹你的 <settings>
<appSettings>
<version number="*">
<settings>
<setting name="TNS_ADMIN" value="asd" />
</settings>
</version>
</appSettings>
我想在运行时动态更改 appconfig 中的 TNS_ADMIN 属性。
这里是 app.config;
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<configSections>
<section name="oracle.manageddataaccess.client"
type="OracleInternal.Common.ODPMSectionHandler, Oracle.ManagedDataAccess, Version=4.122.18.3, Culture=neutral, PublicKeyToken=89b483f429c47342"/>
</configSections>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
</startup>
<system.data>
<DbProviderFactories>
<remove invariant="Oracle.ManagedDataAccess.Client"/>
<add name="ODP.NET, Managed Driver" invariant="Oracle.ManagedDataAccess.Client" description="Oracle Data Provider for .NET, Managed Driver"
type="Oracle.ManagedDataAccess.Client.OracleClientFactory, Oracle.ManagedDataAccess, Version=4.122.18.3, Culture=neutral, PublicKeyToken=89b483f429c47342"/>
</DbProviderFactories>
</system.data>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<publisherPolicy apply="no"/>
<assemblyIdentity name="Oracle.ManagedDataAccess" publicKeyToken="89b483f429c47342" culture="neutral"/>
<bindingRedirect oldVersion="4.122.0.0 - 4.65535.65535.65535" newVersion="4.122.18.3"/>
</dependentAssembly>
</assemblyBinding>
</runtime>
<oracle.manageddataaccess.client>
<version number="*">
<settings>
<setting name="TNS_ADMIN" value="asd" />
</settings>
</version>
</oracle.manageddataaccess.client>
</configuration>
目前我正在尝试做的是这个;
var config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
config.AppSettings.Settings.Add("TNS_ADMIN", @"anylocation");
config.Save(ConfigurationSaveMode.Modified);
ConfigurationManager.RefreshSection("appSettings");
然而,这又增加了一个部分。
如何动态更改 tnsadmin?
因为您使用的是自定义部分,所以您需要使用:
var xmlDoc = new XmlDocument();
xmlDoc.Load(AppDomain.CurrentDomain.SetupInformation.ConfigurationFile);
var path = @"//oracle.manageddataaccess.client/version/settings/setting[@name='TNS_ADMIN']";
var attrs = xmlDoc.SelectSingleNode(path).Attributes["value"].Value = "some value";
xmlDoc.Save(AppDomain.CurrentDomain.SetupInformation.ConfigurationFile);
ConfigurationManager.RefreshSection(path);
这应该适用于默认 appSettings
部分:
System.Configuration.Configuration cnf = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
cnf.AppSettings.Settings["TNS_ADMIN"].Value = "my value";
cnf.Save(ConfigurationSaveMode.Modified);
您的代码添加了一个新部分,因为您告诉它
而不是
config.AppSettings.Settings.Add("TNS_ADMIN", @"anylocation");
尝试
config.AppSettings.Settings["TNS_ADMIN"].Value = "NewValue";
将NewValue
更改为您想要的任何内容
您的配置中没有任何地方 appSettings
。这可能会导致抛出错误。如果您不提供引发错误的行,将无法确定。尝试用 <appSettings>
:
<settings>
<appSettings>
<version number="*">
<settings>
<setting name="TNS_ADMIN" value="asd" />
</settings>
</version>
</appSettings>