Remove empty tags in the Xml string

     
#region License and Copyright
/*
 * Dotnet Commons Xml
 *
 *
 * This library is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License as published by 
 * the Free Software Foundation; either version 2.1 of the License, or 
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 
 * for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this library; if not, write to the 
 * Free Software Foundation, Inc., 
 * 59 Temple Place, 
 * Suite 330, 
 * Boston, 
 * MA 02111-1307 
 * USA 
 * 
 */
#endregion

using System;
using System.Collections;
using System.Collections.Specialized;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
using System.Xml;
using System.Xml.Xsl;
using System.Xml.Serialization;

//using Dotnet.Commons.Reflection;

namespace Dotnet.Commons.Xml
{
  
  ///  
  /// <summary>
  /// This utility class contains wrapper functions that help to ease the handling and 
    /// manipulation of Xml documents, such as adding an element, adding an attribute
    /// to an element, copying and cloning of nodes, etc.
  ///
  /// </summary>
  /// 
    
  public abstract class XmlUtils
  {
    /// -----------------------------------------------------------
    /// <summary>
    /// Remove empty tags in the Xml string
    /// </summary>
    /// <param name="sXML"></param>
    /// <returns></returns>
    /// <remarks>Thanks to http://dotnet.editme.com/codeCleanXML</remarks>
    /// -----------------------------------------------------------
    public static string RemoveEmptyTags(string sXML)
    {
      System.Text.StringBuilder sb = new StringBuilder();
               
      sb.Append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
      sb.Append("<xsl:stylesheet ");
      sb.Append("     version=\"1.0\" ");
      sb.Append("     xmlns:msxsl=\"urn:schemas-microsoft-com:xslt\"");
      sb.Append("     xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\">");
      sb.Append("     <xsl:output method=\"xml\" version=\"1.0\" encoding=\"UTF-8\"/>");
      sb.Append("   <!-- Whenever you match any node or any attribute -->");
      sb.Append("   <xsl:template match=\"node()|@*\">");
      sb.Append("      <!-- Copy the current node -->");
      sb.Append("     <xsl:if test=\"normalize-space(.) != '' or normalize-space(./@*) != '' \">");
      sb.Append("          <xsl:copy>");
      sb.Append("              <!-- Including any attributes it has and any child nodes -->");
      sb.Append("               <xsl:apply-templates select=\"@*|node()\"/>");
      sb.Append("          </xsl:copy>");
      sb.Append("     </xsl:if>");
      sb.Append("   </xsl:template>");
      sb.Append("</xsl:stylesheet>");
      return transXMLStringThroughXSLTString(sXML, sb.ToString());
    }

   


    private static string transXMLStringThroughXSLTString(string sXML, string sXSLT)
    {
            //This is the logic of the application.
            XslCompiledTransform objTransform = new XslCompiledTransform();

            StringReader xmlStream = new StringReader(sXML);
            XmlReader xmlReader = new XmlTextReader(xmlStream);


            StringReader stream = new StringReader(sXSLT);
            XmlReader xmlReaderXslt = new XmlTextReader(stream);

            objTransform.Load(xmlReaderXslt, null, null);

            StringWriter objStream = new StringWriter();
            objTransform.Transform(xmlReader, null, objStream);

            return objStream.ToString().Replace(@"encoding=""utf-16""?>", @"encoding=""utf-8""?>");
    }
   }
}

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20.	XmlReader.Create (TextReader) creates a new XmlReader instance with the specified TextReader.
21.	XmlReader.Create (TextReader, XmlReaderSettings, XmlParserContext)
22.	XmlReader.Create (XmlReader, XmlReaderSettings) creates XmlReader with XmlReader and XmlReaderSettings
23.	XmlReader.GetAttribute return the value of the attribute with the specified index.
24.	XmlReader.GetAttribute (String) returns the attribute with the specified Name.
25.	XmlReader.HasAttributes tells whether the current node has any attributes.
26.	XmlReader.IsDefault
27.	XmlReader.IsEmptyElement tells whether the current node is an empty element (for example, ).
28.	XmlReader.IsStartElement (String) tells if the current content node is a start tag or empty element tag.
29.	XmlReader.Item Property returns the value of the attribute with the specified Name.
30.	XmlReader.LocalName Property gets the local name of the current node.
31.	XmlReader.MoveToAttribute (Int32) moves to the attribute with the specified index.
32.	XmlReader.MoveToFirstAttribute moves to the first attribute.
33.	XmlReader.Name Property gets the qualified name of the current node.
34.	XmlReader.ReadContentAs reads the content as an object of the type specified.
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40.	XmlReader.ReadElementContentAsLong reads the element and returns a 64-bit signed integer.
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43.	XmlReader.ReadElementString reads a text-only element.
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50.	Get value as DateTime
51.	Get Xml value as Integer
52.	Get Xml value as TimeSpan
53.	Convets the value in an XML element to a nullable DateTime

Remove empty tags in the Xml string : XML Read « XML « C# / C Sharp

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