static void Main(string[] args)
{
List <Person> _persons = new List <Person>()
{
new Person()
{
Id = 1, Name = "Joe"
},
new Person()
{
Id = 2, Name = "James"
},
new Person()
{
Id = 3, Name = "Nick"
},
new Person()
{
Id = 4, Name = "Mike"
},
new Person()
{
Id = 5, Name = "John"
},
};
PersonHandler _personHandler = (Person person) => person.Id.ToString();
IEnumerable <string> _personIds = _persons.Select(p => _personHandler.Invoke(p));
foreach (var id in _personIds)
{
Console.WriteLine(string.Format("Id's : {0}", id));
}
}