using System.Collections;
public static void Main()
System.Collections.Generic.IEnumerable<Person> personList = new Person[]
new Person { Name = "Mahsa", Id = 125 },
new Person { Name = "Kashi", Id = 234 },
new Person { Name = "Hassankashi", Id = 750 },
new Person { Name = "Sara", Id = 723 },
new Person { Name = "Mana", Id = 125 },
new Person { Name = "Rana", Id = 325 },
System.Collections.Generic.IEnumerable<Person> personList2 = new Person[]
new Person { Name = "Mahsa", Id = 125 },
new Person { Name = "Kashi", Id = 234 },
new Person { Name = "Sara", Id = 750 },
new Person { Name = "Hassankashi", Id = 723 },
new Person { Name = "Mana", Id = 125 },
new Person { Name = "Rana", Id = 325 },
Person c = personList.ElementAt(currentIndex);
Person c2 = personList2.ElementAt(currentIndex);
Console.WriteLine(personList.Except(personList2));
public string Name {get; set;}
public int Id {get; set;}