[英]Cannot select an XML node with XML namespace using SelectSingleNode method
[英]cannot get node by using selectSingleNode method
我的xml文件如下所示:
<?xml version="1.0"?>
<UpdateInboundim613Response xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" status="SUCCESS" message="Success" schemaRevisionDate="2016-07-19" schemaRevisionLevel="0" returnCode="0" xmlns="http://schemas.hp.com/SM/7">
<model>
<keys>
<TransactionID type="String">E-InHPSXIM1089779</TransactionID>
</keys>
<instance uniquequery="TransactionID="E-InHPSXIM1089779"" recordid="E-InHPSXIM1089779">
<TransactionDetailedTrace xsi:nil="true" />
<TransactionMessage type="Array">
<TransactionMessage type="String" />
</TransactionMessage>
<OVSCSolutionDescription type="Array">
<OVSCSolutionDescription type="String">Issue: EL-BANK OUTSIDE WAREHOUSE EGYPT IMEA[2702]Interface[[E1 0/0/0]]|Router|ELBKCE1GW /pg-h-pg1252-256675160|143.34.213.18|Down Solution: As per update from Mai Shrief that the site has been suspended on 30th June. So no need of any investigation. Resolved By: BT NOC</OVSCSolutionDescription>
</OVSCSolutionDescription>
<OVSCTicketID type="String">E-IM004004076</OVSCTicketID>
<RIMSImpact xsi:nil="true" />
<attachments />
</instance>
</model>
<messages>
<message type="String" xmlns="http://schemas.hp.com/SM/7/Common">TransactionStatusDetail in $L.file is:IM Ticket: E-IM004004076 is valid for Update Subtype: Resolve</message>
</messages>
</UpdateInboundim613Response>
但是我的代碼無法獲取元素“ OVSCTicketID”的值:
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(@"C:\zzx\Project\SM\R5.1\Harness\InBound.xml");
XmlNode sigNode = xmlDoc.SelectSingleNode("/UpdateInboundim613Response/model/instance/OVSCTicketID");
if (sigNode != null)
{
Console.WriteLine(sigNode.InnerText);
}
您能告訴我什么問題以及如何解決嗎?
您的Xml文檔使用默認名稱空間“ http://schemas.hp.com/SM/7 ”。 您需要使用XmlNamespaceManager選擇該名稱空間下的該節點。
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(@"C:\zzx\Project\SM\R5.1\Harness\InBound.xml");
var namespaceManager = new XmlNamespaceManager(xmlDoc.NameTable);
namespaceManager.AddNamespace("ns", "http://schemas.hp.com/SM/7");
XmlNode sigNode = xmlDoc.SelectSingleNode("//ns:UpdateInboundim613Response//ns:model//ns:instance//ns:OVSCTicketID",namespaceManager);
if (sigNode != null)
{
Console.WriteLine(sigNode.InnerText);
}
上面的代碼應該可以正常工作。
使用xml linq
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
using System.Xml.Linq;
namespace ConsoleApplication1
{
class Program
{
const string FILENAME = @"c:\temp\test.xml";
static void Main(string[] args)
{
XDocument doc = XDocument.Load(FILENAME);
XNamespace defaultNs = ((XElement)doc.FirstNode).GetDefaultNamespace();
string ovsCTicketID = (string)doc.Descendants(defaultNs + "OVSCTicketID").FirstOrDefault();
}
}
}
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