我有一些帶有默認名稱空間的xml<a xmlns='urn:test.Schema'><b/><b/></a>并想數(shù) <b/>我該如何定義XmlNamespaceManager nsmgr = ????Assert.AreEqual(2, doc.SelectNodes("//b", nsmgr).Count);這樣斷言變?yōu)槭聦崳康侥壳盀橹?，我已?jīng)嘗試過（使用nunit）：[Test][Ignore("Why does this not work?")]public void __DoesNotWork_TestSelectWithDefaultNamespace(){ // xml to parse with defaultnamespace string xml = @"<a xmlns='urn:test.Schema'><b/><b/></a>"; XmlDocument doc = new XmlDocument(); doc.LoadXml(xml); // fails because xpath does not have the namespace //!!!! Assert.AreEqual(2, doc.SelectNodes("//b").Count); // using XPath defaultnamespace XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable); nsmgr.AddNamespace("", "urn:test.Schema"); // This will fail with dotnet 3.5sp1. Why? //!!!! Assert.AreEqual(2, doc.SelectNodes("//b", nsmgr).Count);}[Test]public void TestSelectWithoutNamespaces_Ok(){ // xml to parse without namespace string xml = @"<a><b/><b/></a>"; XmlDocument doc = new XmlDocument(); doc.LoadXml(xml); // works ok Assert.AreEqual(2, doc.SelectNodes("//b").Count); // works ok XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable); Assert.AreEqual(2, doc.SelectNodes("//b", nsmgr).Count);}[Test]public void TestSelectWithNamespacesPrefixed_Ok(){ // xml to parse with defaultnamespace string xml = @"<a xmlns='urn:test.Schema'><b/><b/></a>"; XmlDocument doc = new XmlDocument(); doc.LoadXml(xml); // using XPath namespace via alias "t". works ok but xpath is to complicated XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable); nsmgr.AddNamespace("t", doc.DocumentElement.NamespaceURI); Assert.AreEqual(2, doc.SelectNodes("//t:b", nsmgr).Count);}
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