Use Any operator to check an attribute on an object in CSharp

    // w  w  w  . j ava2s  . co m

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;


    class Customer
    {
        public string ID { get; set; }
        public string City { get; set; }
        public string Country { get; set; }
        public string Region { get; set; }
        public decimal Sales { get; set; }
    }
    class Program
    {
        static void Main(string[] args)
        {
            List<Customer> customers = new List<Customer> {
              new Customer { ID="P", City="Tehran", Country="Iran", Region="Asia", Sales=7000 },
              new Customer { ID="Q", City="London", Country="UK", Region="Europe", Sales=8000 },
              new Customer { ID="R", City="Beijing", Country="China", Region="Asia", Sales=9000 },
              new Customer { ID="T", City="Lima", Country="Peru", Region="South America", Sales=2002 }
           };

            bool anyUSA = customers.Any(c => c.Country == "USA");
            Console.WriteLine(anyUSA);
        }
    }