how to read the xml file

Take a look at this article. It shows how to read and write XML documents in Microsoft .NET using C# language.
Reading and Writing XML in C#[^]

Good luck.

Took this off : http://stackoverflow.com/questions/5604330/c-sharp-xml-parsing-read-a-simple-xml-file-and-retrieve-values[^]

View Link to read the sample xml, configure to code to suite your xml file

Read XML

public void Read(string  fileName)
    {
        XDocument doc = XDocument.Load(fileName);

        foreach (XElement el in doc.Root.Elements())
        {
            Console.WriteLine("{0} {1}", el.Name, el.Attribute("id").Value);
            Console.WriteLine("  Attributes:");
            foreach (XAttribute attr in el.Attributes())
                Console.WriteLine("    {0}", attr);
            Console.WriteLine("  Elements:");

            foreach (XElement element in el.Elements())
                Console.WriteLine("    {0}: {1}", element.Name, element.Value);
        }
    }

To Open XML File in Hard Disk:

static void Main()
    {
        var assembly = Assembly.GetExecutingAssembly();
        using (var stream = assembly.GetManifestResourceStream("ProjectName.test.xml"))
        using (var reader = new StreamReader(stream))
        {
            Console.WriteLine(reader.ReadToEnd());
        }
    }

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