using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;

public class Test
{
    public class Person
    {
        public string Title{get;set;}
        public string Name{get;set;}
        public Int32 Age{get;set;}
    }
  
	public static void Main()
	{
            List<String> fields = new List<String>()
            {
                "Title",
                "Age"
            };
            
            var persons = new List<Person>();
            persons.Add(new Person { Title = "A1", Age = 10 });
            persons.Add(new Person { Title = "A2", Age = 20 });
            persons.Add(new Person { Title = "A3", Age = 30 });

            //Populate persons

            IEnumerable<PropertyInfo> properties = typeof(Person)
                .GetProperties(BindingFlags.Public | BindingFlags.Instance)
                .Where(p => fields.Contains(p.Name));

            foreach (Person person in persons)
            {
                foreach (PropertyInfo prop in properties)
                    Console.WriteLine("{0}: {1}", prop.Name, prop.GetValue(person, null));
            }
	}
}