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Posted 6 Jan 2011

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Formatting an XML string in Silverlight

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5.00/5 (2 votes)
7 Jan 2011CPOL
If you have unformatted XML in a string and need to format it for visual presentation, e.g. for sending it to your UI, here's how to do it for Silverlight 4.0.
Silverlight doesn't have the XmlDocument class. You'd otherwise be able to do it as Ian Randell does here.

Instead, Silverlight currently offers the XDocument and XmlWriter classes. So you'd do it with these two classes as shown below.

Just call the XmlFormat method below and display the result, i.e., with indenting and line breaks, in your UI control.

C#
using System.Xml;
using System.Xml.Linq;
using System.Text;

private string FormatXml(string stringXml)
{
  StringReader stringReader = new StringReader(stringXml);
  //XDocument represents an XML Document, allowing in memory
  // processing of it (primarily via Linq).
  XDocument xDoc = XDocument.Load(stringReader); 
  var stringBuilder = new StringBuilder();
  XmlWriter xmlWriter = null;
  try
  {
    var settings = new XmlWriterSettings();
    settings.Indent = true;
    settings.ConformanceLevel = ConformanceLevel.Auto;
    settings.IndentChars = " ";
    settings.OmitXmlDeclaration = true;
    //The XDocument can write to an XmlWriter. 
    //The writer formats the well-formed xml.
    //If not well-formed no formating will occur.
    xmlWriter = XmlWriter.Create(stringBuilder, settings);
    xDoc.WriteTo(xmlWriter);
  }
  finally
  {
    if (xmlWriter != null)
    xmlWriter.Close();
  }
  return stringBuilder.ToString();
} 


License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer (Senior) Systemize Informatik GmbH
Denmark Denmark
Software Developer / Contractor

Comments and Discussions

 
GeneralReason for my vote of 5 Great snippet, just what I needed. I... Pin
Diamonddrake19-Aug-11 15:51
Diamonddrake19-Aug-11 15:51 
Reason for my vote of 5
Great snippet, just what I needed. I was just about to use RegEx to achieve this effect, thankfully I found this first. Works with WP7 just have to add a refecence to the xml.linq lib

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