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Suppose I have following XML fragment:
<Authors>
<Author>
<FirstName>John</FirstName>
<LastName>Doe</LastName>
</Author>
<Author>
<FirstName>Jane</FirstName>
<LastName>Eod</LastName>
</Author>
</Authors>
Now, how can I loop through my collection of authors and for each author retrieve its first and last name and put them in a variable strFirst and strLast?
- - - XMLApp.cs
using System;
using System.Xml;
public class XMLApp
{
public void YourMethod( String strFirst, String strLast)
{
// Do something with strFirst and strLast.
// ...
Console.WriteLine( "{0}, {1}", strLast, strFirst);
}
public void ProcessXML( String xmlText)
{
XmlDocument _doc = new XmlDocument( );
_doc.LoadXml( xmlText);
// alternately, _doc.Load( _strFilename); to read from a file.
XmlNodeList _fnames = _doc.GetElementsByTagName( "FirstName" );
XmlNodeList _lnames = _doc.GetElementsByTagName( "LastName" );
// I'm assuming every FirstName has a LastName in this example, your requirements may vary. //
for ( int _i = 0; _i < _fnames.Count; ++_i )
{
YourMethod( _fnames[ _i].InnerText,
_lnames[ _i].InnerText );
}
public static void Main( String[] args)
{
XMLApp _app = new XMLApp( );
// Passing XML text as a String, you can also use the
// XMLDocument::Load( ) method to read the XML from a file.
//
_app.ProcessXML( @" <Authors>
<Author>
<FirstName>John</FirstName>
<LastName>Doe</LastName>
</Author>
<Author>
<FirstName>Jane</FirstName>
<LastName>Eod</LastName>
</Author>
</Authors> " );
}
}// end XMLApp
- - - XMLApp.cs
Remember to /reference the System.Xml.dll on the command-line to build XMLApp.cs:
csc.exe /r:System.Xml.dll XMLApp.cs
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