using System;

using System.Collections.Generic;

using System.Linq;

using System.Xml;

using System.Xml.Linq;

public class Program

{

    public static void Main()

    {

        var xml = @"<Config>

<Events>

<Event_1>

        <NameOfEvent>SomeName:</NameOfEvent>

        <test id='test001'>

                <xpath>some xpath</xpath>

                <value>someValue1</value>

                <tagName>none</tagName>

            </test>

            <test id='test002'>

                <xpath>some xpath</xpath>

                <value>someValue2</value>

                <tagName>none1</tagName>

            </test>

            <test id='test003'>

                <xpath>some xpath</xpath>

                <value>someValue3</value>

                <tagName>none2</tagName>

            </test>

        </Event_1>

        </Events>

        </Config>";

        var doc = XDocument.Parse(xml);

        var evt = (from el in doc.Descendants("test")

                  where el.Parent.Name == "Event_1"

                  group el by el.Parent.Element("NameOfEvent").Value into g

                  select new {

                      Name = g.Key,

                      Tests = g.Select(x => new {

                          XPath = x.Element("xpath").Value,

                          Value = x.Element("value").Value,

                          TagName = x.Element("tagName").Value

                      })

                  }).FirstOrDefault();  

​

        Console.WriteLine("Event: " + evt.Name);

        Console.WriteLine("--------------------");

        foreach (var test in evt.Tests) 

        {

            Console.WriteLine("Test.xpath: " + test.XPath);

            Console.WriteLine("Test.value: " + test.Value);

            Console.WriteLine("Test.tagName: " + test.TagName);

        }

    }

}