using System;

using System.Linq;

using System.Linq.Expressions;

using System.Collections.Generic;

​

class Program

{

    public static void Main(string[] args)

    {

        var parameter = Expression.Parameter(typeof(Client), "x");

        var member = Expression.Property(parameter, "Name");

        var constant = Expression.Constant("X Y");

        var exp = Expression.Equal(member, constant);

        var func = Expression.Lambda<Func<Client, bool>>(exp, parameter).Compile();

​

        var list = new List<Client>

        {

            new Client() { Name = "X Y"}

        };

​

        var l2 = list.Where(func).ToList();

        Console.WriteLine(l2[0].Name);

    }

​

    public class Client

    {

        public string Name { get; set; }

    }

}

​