how to connect ado.net with wpf menu control??

Mainwindows.cx code

var conStr = ConfigurationManager.ConnectionStrings["menu"].ConnectionString;

SqlConnection con = new SqlConnection(conStr);

con.Open();

string qry = "select MenuText from tblMenuItemsLevel1";

SqlCommand cmd = new SqlCommand(qry, con);

SqlDataReader sdr = cmd.ExecuteReader();

MenuItems = new ObservableCollection();

while (sdr.Read())

{

MenuClass menuclass = new MenuClass();

menuclass.MenuText = sdr.GetValue(0).ToString();

MenuItems.Add(menuclass);

}

DataContext = MenuItems;

-----

MenuClass.cs

public class MenuClass

{

public string MenuText { get; set; }

}