XmlNode.GetNamespaceOfPrefix(String) 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
查閱目前節點範圍內最接近指定前置詞的 xmlns 宣告,並傳回宣告中的命名空間 URI。
public:
virtual System::String ^ GetNamespaceOfPrefix(System::String ^ prefix);
public virtual string GetNamespaceOfPrefix (string prefix);
abstract member GetNamespaceOfPrefix : string -> string
override this.GetNamespaceOfPrefix : string -> string
Public Overridable Function GetNamespaceOfPrefix (prefix As String) As String
參數
- prefix
- String
您要尋找其命名空間 URI 的前置詞。
傳回
指定前置詞的命名空間 URI。
範例
下列範例會將新的屬性新增至 XML 檔。
#using <System.Xml.dll>
using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
XmlDocument^ doc = gcnew XmlDocument;
doc->LoadXml( "<book xmlns:bk='urn:samples' bk:ISBN='1-861001-57-5'>"
"<title>Pride And Prejudice</title>"
"</book>" );
XmlNode^ root = doc->FirstChild;
//Create a new attribute.
String^ ns = root->GetNamespaceOfPrefix( "bk" );
XmlNode^ attr = doc->CreateNode( XmlNodeType::Attribute, "genre", ns );
attr->Value = "novel";
//Add the attribute to the document.
root->Attributes->SetNamedItem( attr );
Console::WriteLine( "Display the modified XML..." );
doc->Save( Console::Out );
}
using System;
using System.IO;
using System.Xml;
public class Sample {
public static void Main() {
XmlDocument doc = new XmlDocument();
doc.LoadXml("<book xmlns:bk='urn:samples' bk:ISBN='1-861001-57-5'>" +
"<title>Pride And Prejudice</title>" +
"</book>");
XmlNode root = doc.FirstChild;
//Create a new attribute.
string ns = root.GetNamespaceOfPrefix("bk");
XmlNode attr = doc.CreateNode(XmlNodeType.Attribute, "genre", ns);
attr.Value = "novel";
//Add the attribute to the document.
root.Attributes.SetNamedItem(attr);
Console.WriteLine("Display the modified XML...");
doc.Save(Console.Out);
}
}
Option Strict
Option Explicit
Imports System.IO
Imports System.Xml
Public Class Sample
Public Shared Sub Main()
Dim doc As New XmlDocument()
doc.LoadXml("<book xmlns:bk='urn:samples' bk:ISBN='1-861001-57-5'>" & _
"<title>Pride And Prejudice</title>" & _
"</book>")
Dim root As XmlNode = doc.FirstChild
'Create a new attribute.
Dim ns As String = root.GetNamespaceOfPrefix("bk")
Dim attr As XmlNode = doc.CreateNode(XmlNodeType.Attribute, "genre", ns)
attr.Value = "novel"
'Add the attribute to the document.
root.Attributes.SetNamedItem(attr)
Console.WriteLine("Display the modified XML...")
doc.Save(Console.Out)
End Sub
End Class
備註
此方法是檔物件模型 (DOM) 的 Microsoft 延伸模組。