NinethSense

            folder = this.Application.Session
.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderContacts);
 
            Outlook.ContactItem ci = (ContactItem)folder
.Items.Add(OlItemType.olContactItem);
            ci.FirstName = "xyz";
            ci.LastName = "zyx";
            ci.Save();

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
 
        public Form1()
        {
            InitializeComponent();
        }
 
        private void btnClose_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }
 
 
        private void dtpicker_ValueChanged(object sender, EventArgs e)
        {
            lblLifePathNumber.Text = LifePathNumber(dtpicker.Value);
        }
 
        private int GetSumOfDigits(string num)
        {
            int sum = num.ToCharArray().Sum(n => n - '0');
            if (sum.ToString().Length > 1)
            {
                sum = GetSumOfDigits(sum.ToString());
            }
 
            return sum;
 
        }
 
        private string LifePathNumber(DateTime dt)
        {
            return GetSumOfDigits(dt.Month.ToString() + dt.Year.ToString()+  dt.Day.ToString()).ToString();
        }
 
        private void Form1_Load(object sender, EventArgs e)
        {
            dtpicker.MaxDate = DateTime.Today;
        }
 
        private void button1_Click(object sender, EventArgs e)
        {
            MessageBox.Show("Thanks for testing. PraVeeN - ninethsense@hotmail.com", "Thank You", MessageBoxButtons.OK);
        }
    }
}

string str = @"
                    <LanguageDetails>
                        <UserNode>
                            <Lang>
                                <![CDATA[en]]>
                            </Lang>
                        </UserNode>
                    </LanguageDetails>";
 
            // XDocument xdoc = XDocument.Load(new StringReader(str));
            // Update: more faster method
            XDocument xdoc = XDocument.Parse(str);
 
            var lang = from d in xdoc.Elements("LanguageDetails")
						.Elements("UserNode")
                       select d;
 
            MessageBox.Show( 
		lang.FirstOrDefault().Element("Lang").Value 
		);