using System;

using System.Linq;

using System.Xml;                   

using System.Xml.Linq;

using System.Collections; 

using System.Collections.Generic;

using System.Data;

using System.Data.DataSetExtensions;

using System.Data.Linq;

using System.Text;

using System.Text.RegularExpressions;

using System.Xml.Serialization; 

using System.IO;

using System.Globalization;

using System.Diagnostics;

public class Program

{

    public static void Main()

    {

          string xml = @"

            <ChapterHeader>

        <Text> I need to get the text here</Text>

    </ChapterHeader>

            ";

XmlReader rdr = XmlReader.Create(new System.IO.StringReader(xml));

            while (rdr.Read())

            {

                if (rdr.NodeType == XmlNodeType.Element)

                {

                    Console.WriteLine(rdr.LocalName);

                    if (rdr.LocalName == "ChapterHeader")

                    {

                        Console.WriteLine( rdr.ReadInnerXml());

                    }

                }

            }

    }

}