LINQ TO XML查询数据的奇怪问题？？？！！！

Question

XML源文件格式如下：
<?xml version="1.0" encoding="utf-8"?>
<WebTest Name="Verify TOU" Id="19b9d5ec-b333-49e1-b29e-89f89fb0ec95" Owner="" Priority="0" Enabled="True" CssProjectStructure="" CssIteration="" Timeout="0" WorkItemIds="" xmlns="http://microsoft.com/schemas/VisualStudio/TeamTest/2006" Description="" CredentialUserName="" CredentialPassword="" PreAuthenticate="True" Proxy="" StopOnError="False" Test="abcdefg">
  <Items>
    <Request Method="GET" Version="1.1" Url="{{WebServer1}}/" ThinkTime="3" Timeout="300" ParseDependentRequests="True" FollowRedirects="True" RecordResult="True" Cache="False" ResponseTimeGoal="0" Encoding="utf-8" ExpectedHttpStatusCode="0" ExpectedResponseUrl="" RequestID="1" PageName="No Name" IsTakeScreenShot="False">
      <CorrelationExtractionRules>
        <ExtractionRule Classname="Microsoft.VisualStudio.TestTools.WebTesting.Rules.ExtractText, Microsoft.VisualStudio.QualityTools.WebTestFramework, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" VariableName="QueryStringParam1.wreply" DisplayName="" Description="">
          <RuleParameters>
            <RuleParameter Name="StartsWith" Value="?wreply=" />
            <RuleParameter Name="EndsWith" Value="&quot;" />
            <RuleParameter Name="Index" Value="0" />
            <RuleParameter Name="IgnoreCase" Value="False" />
            <RuleParameter Name="UseRegularExpression" Value="False" />
            <RuleParameter Name="HtmlDecode" Value="True" />
            <RuleParameter Name="Required" Value="False" />
          </RuleParameters>
        </ExtractionRule>
      </CorrelationExtractionRules>
      <QueryStringParameters>
        <QueryStringParameter Name="mkt" Value="en-US" RecordedValue="en-US" CorrelationBinding="" UrlEncode="False" UseToGroupResults="False" />
      </QueryStringParameters>
    </Request>
    <Request Method="GET" Version="1.1" Url="{{WebServer1}}/terms.aspx" ThinkTime="0" Timeout="300" ParseDependentRequests="True" FollowRedirects="True" RecordResult="True" Cache="False" ResponseTimeGoal="0" Encoding="utf-8" ExpectedHttpStatusCode="0" ExpectedResponseUrl="" RequestID="2" PageName="Legal Page" IsTakeScreenShot="True">
      <QueryStringParameters>
        <QueryStringParameter Name="wreply" Value="http%3a%2f%2ffuwamid.live-int.com%2fDefault.aspx%3fmkt%3den-US" RecordedValue="http%3a%2f%2ffuwamid.live-int.com%2fDefault.aspx%3fmkt%3den-US" CorrelationBinding="{{QueryStringParam1.wreply}}" UrlEncode="False" UseToGroupResults="False" />
      </QueryStringParameters>
      <Validation Name="ManualVerify" xmlns="">
        <Case ID="1005" Description="Verify all string of Privacy page are localized." />
      </Validation>
    </Request>
  </Items>
  <ContextParameters>
    <ContextParameter Name="WebServer1" Value="http://fuwamid.live-int.com" />
  </ContextParameters>
  <ValidationRules>
    <ValidationRule Classname="Microsoft.VisualStudio.TestTools.WebTesting.Rules.ValidateResponseUrl, Microsoft.VisualStudio.QualityTools.WebTestFramework, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" DisplayName="Response URL" Description="Validates that the response URL after redirects are followed is the same as the recorded response URL.  QueryString parameters are ignored." Level="Low" />
  </ValidationRules>
</WebTest>




问题是，我现在需要利用LINQ技术来获得Items节点，理论上来说如下代码就能达到要求

XDocument doc=XDocument.Load("aaa.xml");

XElement itemsElement=doc.Root.Element("Items");

以下方法全部试了个遍，返回都是空的：

(1)
IEmurable<XElement> items=doc.Root.Elements("Items");

foreach(brabarbar)
{
    //无效
}


(2)
IEmurable<XElement> items=doc.Root.Descsends("Items");

foreach(brabarbar)
{
    //还是无效
}

Answer 1

 取XML数据有很多种方法，你换一种试一下

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Answer 2

你好，用下面的语句可以直接获得你想要的节点，括号里面是正则表达式：

 XmlNode xmlNode = doc.SelectSingleNode("//*[@Title='" + currentTitle + "']");

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