[Mono-bugs] [Bug 588399] New: Argimentexception using WriteAttributeString("xmlns", "o", "", "urn:schemas-microsoft-com:office:office")

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http://bugzilla.novell.com/show_bug.cgi?id=588399

http://bugzilla.novell.com/show_bug.cgi?id=588399#c0


           Summary: Argimentexception using WriteAttributeString("xmlns",
                    "o", "", "urn:schemas-microsoft-com:office:office")
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.6.x
          Platform: x86
        OS/Version: Windows Vista
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Sys.XML
        AssignedTo: atsushi at ximian.com
        ReportedBy: kobruleht2 at hot.ee
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---


Description of Problem:

Exception occurs if WriteAttributeString("xmlns", "o", "",
"urn:schemas-microsoft-com:office:office"); is used

Steps to reproduce the problem:

Run code below


Actual Results:

Unhandled Exception: System.ArgumentException: The 'xmlns' attribute is bound
to the reserved namespace 'http://www.w3.org/
2000/xmlns/'
  at System.Xml.XmlTextWriter.WriteStartAttribute (System.String prefix,
System.String localName, System.String namespaceUr
i) [0x00000] in <filename unknown>:0
  at System.Xml.XmlWriter.WriteAttributeString (System.String prefix,
System.String localName, System.String ns, System.Str
ing value) [0x00000] in <filename unknown>:0
  at Program.Main () [0x00000] in <filename unknown>:0

Expected Results:

no exception


code to reproduce:


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

class Program
{

    static void Main()
    {
        XmlWriterSettings settings = new XmlWriterSettings();
        settings.Indent = true;
        settings.IndentChars = "    ";
        XmlWriter writer = XmlWriter.Create(new MemoryStream(), settings); 

        writer.WriteStartDocument();
        writer.WriteProcessingInstruction("mso-application",
"progid=\"Excel.Sheet\"");
        writer.WriteWhitespace("\n");
        writer.WriteStartElement("Workbook",
"urn:schemas-microsoft-com:office:spreadsheet");
        writer.WriteAttributeString("xmlns", "o", "",
"urn:schemas-microsoft-com:office:office");
        Console.ReadLine();
    }
}

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