static void print()
{
    DataClassesUserInfoDataContext Userinfo = new DataClassesUserInfoDataContext();
    var custs = from c in Userinfo.users
                select new { Id = c.ID, Name = c.Name, Points = c.Points };
    Console.WriteLine("ID - Name - Points");
    foreach (var cust in custs)
    {
        Console.WriteLine("{0} - {1} - {2}", cust.Id, cust.Name, cust.Points);
    }
    Console.WriteLine("Нажмите любую клавишу для завершения работы...");
    Console.ReadKey();
    Environment.Exit(0);
}