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我是XML新手，并且在理解如何实现删除树中某些元素的解决方案时遇到问题。我搜索了一个解决方案，并尝试了很多例子，但没有产生任何令我满意的东西。希望有人可以点亮一些光。可能真的很简单，但我错过了，因为我刚刚开始使用XML。如何用C＃删除xml元素？
样本XML将是：
<?xml version="1.0"?>
<configuration>
<configSections>
<sectionGroup name="system.sm">
<section name="domainServices" type="System.sm.DomainServices.Hosting.DomainServicesSection, System.sm.DomainServices.Hosting, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" allowDefinition="MachineTABCplication" requirePermission="false" />
</sectionGroup>
</configSections>
<appSettings>
<add key="useRemote" value="false" />
<add key="sandboxFolder" value="D:\Sandbox" />
<add key="imageFilesFolder" value="Images" />
</appSettings>
<runtime>
<assemblylock xmlns="urn:schemas-microsoft-com:asm.v1">
<probing privatePath="Platform/bin;ProductBin" />
</assemblylock>
</runtime>
<connectionStrings>
<add name="ApplicationServices" connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\aspnetdb.mdf;User Instance=true" providerName="System.Data.SqlClient" />
</connectionStrings>
<system.web>
<httpModules>
<add name="DomainServiceModule" type="System.sm.DomainServices.Hosting.DomainServiceHttpModule, System.sm.DomainServices.Hosting, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</httpModules>
<compilation debug="true" targetFramework="4.0" />
<globalization culture="auto" uiCulture="auto" />
<authentication mode="Forms">
<forms protection="All" />
</authentication>
<roleManager enabled="true">
</roleManager>
<profile>
<providers>
<clear />
<add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="ApplicationServices" applicationName="/" />
</providers>
<properties>
<add name="FriendlyName" />
</properties>
</profile>
<httpRuntime maxRequestLength="10240" />
</system.web>
<system.ws>
<validation validateIntegratedModeConfiguration="false" />
<modules runAllManagedModulesForAllRequests="true">
<add name="DomainServiceModule" preCondition="managedHandler" type="System.sm.DomainServices.Hosting.DomainServiceHttpModule, System.sm.DomainServices.Hosting, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</modules>
</system.ws>
<system.sm>
<client>
<endpoint address="net.tcp://localhost:5256/HTM" lock="netTcplock" lockConfiguration="NetTcplock_Service" contract="ProductHFSReference.Service" name="NetTcplock_Service" />
<endpoint address="http://localhost:5255/HTM/basic" lock="basicHttplock" lockConfiguration="BasicHttplock_Service" contract="ProductHFSReference.Service" name="BasicHttplock_Service" />
<endpoint address="http://localhost:5255/HTM/ws" lock="wsHttplock" lockConfiguration="WSHttplock_Service1" contract="ProductHFSReference.Service" name="WSHttplock_Service1" />
<endpoint address="http://localhost:5255/DManager/ws" lock="wsHttplock" lockConfiguration="WSHttplock_IDevicePool" contract="DManagerServiceReference.IDevicePool" name="WSHttplock_IDevicePool">
<deleteme>
<userName value="Jack" />
</deleteme>
</endpoint>
<endpoint address="net.tcp://localhost:5256/DManager" lock="netTcplock" lockConfiguration="NetTcplock_IDevicePool" contract="DManagerServiceReference.IDevicePool" name="NetTcplock_IDevicePool">
<deleteme>
<userName value="Jill" />
</deleteme>
</endpoint>
</client>
<behaviors>
<serviceBehaviors>
<behavior name="">
<serviceMetadata httpGetEnabled="true" />
<serviceDebug includeExceptionDetailInFaults="false" />
</behavior>
<!-- Enable the serializer to serialize greater number of records -->
<behavior name="SilverlightWCFLargeDataApplication.Web.SilverlightWCFServiceBehavior">
<serviceMetadata httpGetEnabled="true" />
<serviceDebug includeExceptionDetailInFaults="false" />
<dataContractSerializer maxItemsInObjectGraph="2147483647" />
</behavior>
</serviceBehaviors>
</behaviors>
<locks>
<basicHttplock>
<lock name="BasicHttplock_IApplication" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" maxBufferSize="524288" maxBufferPoolSize="524288" maxReceivedMessageSize="524288" messageEncoding="Text" textEncoding="utf-8" transferMode="Buffered" useDefaultWebProxy="true">
<readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" />
<security mode="None">
<transport clientCredentialType="None" proxyCredentialType="None" realm="" />
<message clientCredentialType="UserName" algorithmSuite="Default" />
</security>
</lock>
<lock name="BasicHttplock_ILicenseManagerService" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Text" textEncoding="utf-8" transferMode="Buffered" useDefaultWebProxy="true">
<readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" />
<security mode="None">
<transport clientCredentialType="None" proxyCredentialType="None" realm="" />
<message clientCredentialType="UserName" algorithmSuite="Default" />
</security>
</lock>
</basicHttplock>
<customlock>
<lock name="ProductWebApp.Web.Services.positionPreviewSvc.customlock0">
<binaryMessageEncoding maxReadPoolSize="2147483647" maxWritePoolSize="2147483647" maxSessionSize="2147483647">
<readerQuotas maxDepth="32" maxStringContentLength="5242880" maxArrayLength="200000" maxBytesPerRead="4096" maxNameTableCharCount="16384" />
</binaryMessageEncoding>
<httpTransport maxBufferPoolSize="2147483647" maxReceivedMessageSize="2147483647" maxBufferSize="2147483647" />
</lock>
</customlock>
<netTcplock>
<lock name="NetTcplock_IDevicePool" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" transactionFlow="false" transferMode="Buffered" transactionProtocol="OleTransactions" hostNameComparisonMode="StrongWildcard" listenBacklog="10" maxBufferPoolSize="524288" maxBufferSize="65536" maxConnections="10" maxReceivedMessageSize="65536">
<readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" />
<reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" />
<security mode="Transport">
<transport clientCredentialType="Windows" protectionLevel="EncryptAndSign" />
<message clientCredentialType="Windows" />
</security>
</lock>
<lock name="NetTcplock_Service" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" transactionFlow="false" transferMode="Buffered" transactionProtocol="OleTransactions" hostNameComparisonMode="StrongWildcard" listenBacklog="10" maxBufferPoolSize="524288" maxBufferSize="65536" maxConnections="10" maxReceivedMessageSize="65536">
<readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" />
<reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" />
<security mode="Transport">
<transport clientCredentialType="Windows" protectionLevel="EncryptAndSign" />
<message clientCredentialType="Windows" />
</security>
</lock>
<lock name="NetTcplock_IProductAppSvc" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" transactionFlow="false" transferMode="Buffered" transactionProtocol="OleTransactions" hostNameComparisonMode="StrongWildcard" listenBacklog="10" maxBufferPoolSize="524288" maxBufferSize="65536" maxConnections="10" maxReceivedMessageSize="65536">
<readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" />
<reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" />
<security mode="Transport">
<transport clientCredentialType="Windows" protectionLevel="EncryptAndSign" />
<message clientCredentialType="Windows" />
</security>
</lock>
</lock>
</netTcplock>
<wsHttplock>
<lock name="WSHttplock_Service" closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00" bypassProxyOnLocal="false" transactionFlow="false" hostNameComparisonMode="StrongWildcard" maxBufferPoolSize="524288" maxReceivedMessageSize="65536" messageEncoding="Text" textEncoding="utf-8" useDefaultWebProxy="true" allowCookies="false">
<readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384" maxBytesPerRead="4096" maxNameTableCharCount="16384" />
<reliableSession ordered="true" inactivityTimeout="00:10:00" enabled="false" />
<security mode="Message">
<transport clientCredentialType="Windows" proxyCredentialType="None" realm="" />
<message clientCredentialType="Windows" negotiateServiceCredential="true" algorithmSuite="Default" />
</security>
</lock>
</wsHttplock>
</locks>
<services>
<service name="ProductWebApp.Web.Services.positionPreviewSvc">
<endpoint address="" lock="customlock" lockConfiguration="ProductWebApp.Web.Services.positionPreviewSvc.customlock0" contract="ProductWebApp.Web.Services.positionPreviewSvc" />
<endpoint address="mex" lock="mexHttplock" contract="IMetadataExchange" />
</service>
<service name="ProductWebApp.Web.Services.positionPresetSvc">
<endpoint address="" lock="customlock" lockConfiguration="ProductWebApp.Web.Services.positionPresetSvc.customlock0" contract="ProductWebApp.Web.Services.positionPresetSvc" />
<endpoint address="mex" lock="mexHttplock" contract="IMetadataExchange" />
</service>
<service name="ProductWebApp.Web.Services.ProductSvc">
<endpoint address="" lock="customlock" lockConfiguration="ProductWebApp.Web.Services.ProductSvc.customlock0" contract="ProductWebApp.Web.Services.ProductSvc" />
<endpoint address="mex" lock="mexHttplock" contract="IMetadataExchange" />
</service>
</services>
<serviceHostingEnvironment aspNetCompatibilityEnabled="true" multipleSitelocksEnabled="true" />
</system.sm>
</configuration>
我试图去通过XML和删除元素<deleteme>的所有实例。
我试过循环通过XmlNodes来获取名称等于“deleteme”的任何childnodes，然后调用removeall（）。这会除去<deleteme></deleteme>标签之外的所有内容。我需要完全删除<deleteme></deleteme>？
在此先感谢您的时间和指导。
的可能重复[删除从XmlDocument节点]（http://stackoverflow.com/questions/20611/removing-nodes-from-an-xmldocument） – Jason 2012-03-14 20:28:09