XmlTextWriter.WriteStartAttribute メソッド
属性の開始を書き込みます。
オーバーロードの一覧
属性の開始を書き込みます。
.NET Compact Framework でもサポート。
[Visual Basic] Overloads Overrides Public Sub WriteStartAttribute(String, String, String)
[C#] public override void WriteStartAttribute(string, string, string);
[C++] public: void WriteStartAttribute(String*, String*, String*);
[JScript] public override function WriteStartAttribute(String, String, String);
XmlWriter から継承されます。
.NET Compact Framework でもサポート。
[Visual Basic] Overloads Public Sub WriteStartAttribute(String, String)
[JScript] public function WriteStartAttribute(String, String);
使用例
[Visual Basic, C#, C++] book を書き込む例を次に示します。
[Visual Basic, C#, C++] メモ ここでは、WriteStartAttribute のオーバーロード形式のうちの 1 つだけについて、使用例を示します。その他の例については、各オーバーロード形式のトピックを参照してください。
Option Strict
Option Explicit
Imports System
Imports System.IO
Imports System.Xml
Public Class Sample
Private Shared filename As String = "sampledata.xml"
Public Shared Sub Main()
Dim writer As New XmlTextWriter(filename, Nothing)
'Use indenting for readability.
writer.Formatting = Formatting.Indented
writer.WriteComment("sample XML fragment")
'Write an element (this one is the root).
writer.WriteStartElement("bookstore")
'Write the namespace declaration.
writer.WriteAttributeString("xmlns", "bk", Nothing, "urn:samples")
writer.WriteStartElement("book")
'Lookup the prefix and then write the ISBN attribute.
Dim prefix As String = writer.LookupPrefix("urn:samples")
writer.WriteStartAttribute(prefix, "ISBN", "urn:samples")
writer.WriteString("1-861003-78")
writer.WriteEndAttribute()
'Write the title.
writer.WriteStartElement("title")
writer.WriteString("The Handmaid's Tale")
writer.WriteEndElement()
'Write the price.
writer.WriteElementString("price", "19.95")
'Write the style element.
writer.WriteStartElement(prefix, "style", "urn:samples")
writer.WriteString("hardcover")
writer.WriteEndElement()
'Write the end tag for the book element.
writer.WriteEndElement()
'Write the close tag for the root element.
writer.WriteEndElement()
'Write the XML to file and close the writer.
writer.Flush()
writer.Close()
'Read the file back in and parse to ensure well formed XML.
Dim doc As New XmlDocument()
'Preserve white space for readability.
doc.PreserveWhitespace = True
'Load the file.
doc.Load(filename)
'Write the XML content to the console.
Console.Write(doc.InnerXml)
End Sub 'Main
End Class 'Sample
[C#]
using System;
using System.IO;
using System.Xml;
public class Sample
{
private const string filename = "sampledata.xml";
public static void Main()
{
XmlTextWriter writer = new XmlTextWriter (filename, null);
//Use indenting for readability.
writer.Formatting = Formatting.Indented;
writer.WriteComment("sample XML fragment");
//Write an element (this one is the root).
writer.WriteStartElement("bookstore");
//Write the namespace declaration.
writer.WriteAttributeString("xmlns", "bk", null, "urn:samples");
writer.WriteStartElement("book");
//Lookup the prefix and then write the ISBN attribute.
string prefix = writer.LookupPrefix("urn:samples");
writer.WriteStartAttribute(prefix, "ISBN", "urn:samples");
writer.WriteString("1-861003-78");
writer.WriteEndAttribute();
//Write the title.
writer.WriteStartElement("title");
writer.WriteString("The Handmaid's Tale");
writer.WriteEndElement();
//Write the price.
writer.WriteElementString("price", "19.95");
//Write the style element.
writer.WriteStartElement(prefix, "style", "urn:samples");
writer.WriteString("hardcover");
writer.WriteEndElement();
//Write the end tag for the book element.
writer.WriteEndElement();
//Write the close tag for the root element.
writer.WriteEndElement();
//Write the XML to file and close the writer.
writer.Flush();
writer.Close();
//Read the file back in and parse to ensure well formed XML.
XmlDocument doc = new XmlDocument();
//Preserve white space for readability.
doc.PreserveWhitespace = true;
//Load the file
doc.Load(filename);
//Write the XML content to the console.
Console.Write(doc.InnerXml);
}
}
[C++]
#using <mscorlib.dll>
#using <System.Xml.dll>
using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
String* filename = S"sampledata.xml";
XmlTextWriter* writer = new XmlTextWriter (filename, 0);
//Use indenting for readability.
writer->Formatting = Formatting::Indented;
writer->WriteComment(S"sample XML fragment");
//Write an element (this one is the root).
writer->WriteStartElement(S"bookstore");
//Write the namespace declaration.
writer->WriteAttributeString(S"xmlns", S"bk", 0, S"urn:samples");
writer->WriteStartElement(S"book");
//Lookup the prefix and then write the ISBN attribute.
String* prefix = writer->LookupPrefix(S"urn:samples");
writer->WriteStartAttribute(prefix, S"ISBN", S"urn:samples");
writer->WriteString(S"1-861003-78");
writer->WriteEndAttribute();
//Write the title.
writer->WriteStartElement(S"title");
writer->WriteString(S"The Handmaid's Tale");
writer->WriteEndElement();
//Write the price.
writer->WriteElementString(S"price", S"19.95");
//Write the style element.
writer->WriteStartElement(prefix, S"style", S"urn:samples");
writer->WriteString(S"hardcover");
writer->WriteEndElement();
//Write the end tag for the book element.
writer->WriteEndElement();
//Write the close tag for the root element.
writer->WriteEndElement();
//Write the XML to file and close the writer.
writer->Flush();
writer->Close();
//Read the file back in and parse to ensure well formed XML.
XmlDocument* doc = new XmlDocument();
//Preserve white space for readability.
doc->PreserveWhitespace = true;
//Load the file
doc->Load(filename);
//Write the XML content to the console.
Console::Write(doc->InnerXml);
}
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