linq查询如何在xml上运行

Hi I have xml like below

嗨，我有像下面的xml

 <BrowserMix>
            <BrowserProfile Percentage="10">
              <Browser Name="Internet Explorer 10.0" MaxConnections="6">
                <Headers>
                  <Header Name="User-Agent" Value="Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)" />
                  <Header Name="Accept" Value="*/*" />
                  <Header Name="Accept-Language" Value="{{$IEAcceptLanguage}}" />
                  <Header Name="Accept-Encoding" Value="GZIP" />
                </Headers>
              </Browser>
            </BrowserProfile>
            <BrowserProfile Percentage="85">
              <Browser Name="Internet Explorer 9.0" MaxConnections="6">
                <Headers>
                  <Header Name="User-Agent" Value="Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)" />
                  <Header Name="Accept" Value="*/*" />
                  <Header Name="Accept-Language" Value="{{$IEAcceptLanguage}}" />
                  <Header Name="Accept-Encoding" Value="GZIP" />
                </Headers>
              </Browser>
            </BrowserProfile>
            <BrowserProfile Percentage="5">
              <Browser Name="WinPhone8" MaxConnections="6">
                <Headers>
                  <Header Name="User-Agent" Value="Mozilla/5.0 (compatible; MSIE 10.0; Windows Phone 8.0; Trident/6.0; IEMobile/10.0; ARM; Touch; NOKIA; Lumia 920)" />
                  <Header Name="Accept" Value="*/*" />
                  <Header Name="Accept-Language" Value="{{$IEAcceptLanguage}}" />
                  <Header Name="Accept-Encoding" Value="GZIP" />
                </Headers>
              </Browser>
            </BrowserProfile>
          </BrowserMix>
 <Brow