XmlTextReader.LineNumber Properti

Definisi

Ruang nama:

System.Xml

Rakitan:

netstandard.dll, System.Xml.ReaderWriter.dll

Sumber:

XmlTextReader.cs

Mendapatkan nomor baris saat ini.

public:
 property int LineNumber { int get(); };

public int LineNumber { get; }

member this.LineNumber : int

Public ReadOnly Property LineNumber As Integer

Nilai Properti

Int32

Nomor baris saat ini.

Penerapan

LineNumber

Contoh

Contoh berikut menampilkan setiap simpul termasuk kedalaman, nomor baris, dan posisi garisnya.

using System;
using System.IO;
using System.Xml;

public class Sample{

  public static void Main(){

    // Create the XML fragment to be parsed.
    string xmlFrag  =
    @"<book>
         <misc>
           <style>paperback</style>
           <pages>240</pages>
         </misc>
        </book>";

    // Create the XmlNamespaceManager.
    NameTable nt = new NameTable();
    XmlNamespaceManager nsmgr = new XmlNamespaceManager(nt);

    // Create the XmlParserContext.
    XmlParserContext context = new XmlParserContext(null, nsmgr, null, XmlSpace.None);

    // Create the reader.
    XmlTextReader reader = new XmlTextReader(xmlFrag, XmlNodeType.Element, context);

    // Parse the XML and display each node.
    while (reader.Read()){
       switch (reader.NodeType){
         case XmlNodeType.Element:
           Console.Write("{0} {1},{2}  ", reader.Depth, reader.LineNumber, reader.LinePosition);
           Console.WriteLine("<{0}>", reader.Name);
           break;
         case XmlNodeType.Text:
           Console.Write("{0} {1},{2}  ", reader.Depth, reader.LineNumber, reader.LinePosition);
           Console.WriteLine("  {0}", reader.Value);
           break;
         case XmlNodeType.EndElement:
           Console.Write("{0} {1},{2}  ", reader.Depth, reader.LineNumber, reader.LinePosition);
           Console.WriteLine("</{0}>", reader.Name);
           break;
       }
    }

    // Close the reader.
    reader.Close();
  }
}

Imports System.IO
Imports System.Xml

public class Sample

  public shared sub Main()

    ' Create the XML fragment to be parsed.
    Dim xmlFrag as string = "<book>" + Chr(10) & _
                                    "  <misc>"  + Chr(10) & _
                                    "    <style>paperback</style>"  + Chr(10) & _
                                    "    <pages>240</pages>" + Chr(10) & _
                                    "  </misc>" + Chr(10) & _
                                    "</book>"

    ' Create the XmlNamespaceManager.
    Dim nt as NameTable = new NameTable()
    Dim nsmgr as XmlNamespaceManager = new XmlNamespaceManager(nt)

    ' Create the XmlParserContext.
    Dim context as XmlParserContext = new XmlParserContext(nothing, nsmgr, nothing, XmlSpace.None)

    ' Create the reader.
    Dim reader as XmlTextReader = new XmlTextReader(xmlFrag, XmlNodeType.Element, context)

    ' Parse the XML and display each node.
    while (reader.Read())
       select case reader.NodeType
         case XmlNodeType.Element:
           Console.Write("{0} {1},{2}  ", reader.Depth, reader.LineNumber, reader.LinePosition)
           Console.WriteLine("<{0}>", reader.Name)
         case XmlNodeType.Text:
           Console.Write("{0} {1},{2}  ", reader.Depth, reader.LineNumber, reader.LinePosition)
           Console.WriteLine("  {0}", reader.Value)
         case XmlNodeType.EndElement:
           Console.Write("{0} {1},{2}  ", reader.Depth, reader.LineNumber, reader.LinePosition)
           Console.WriteLine("</{0}>", reader.Name)
       end select       
    end while           

    ' Close the reader.
    reader.Close()      
  end sub
end class

Keterangan

Nota

Kami menyarankan Anda membuat instans XmlReader untuk memanfaatkan fungsionalitas baru dengan menggunakan metode XmlReader.Create.

Properti ini paling umum digunakan untuk pelaporan kesalahan, tetapi dapat dipanggil kapan saja. Nilai awal untuk properti ini adalah 1.

Dikombinasikan dengan LinePosition, nilai 1,1 menunjukkan awal dokumen.

Lihat juga

• XmlReader