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Comparing two List<T> to find match in both list, 1st list only, 2nd list only that is Insersect, Minus and Minus Except
namespace ConsoleApplication6
{
class Program
{
static void Main(string[] args)
{
List<Items> list1 = new List<Items>();
list1.Add(new Items { name = "abc" });
list1.Add(new Items { name = "abd" });
list1.Add(new Items { name = "aef" });
list1.Add(new Items { name = "ref" });
list1.Add(new Items { name = "eaf" });
List<Items> list2 = new List<Items>();
list2.Add(new Items { name = "abc" });
list2.Add(new Items { name = "exf" });
list2.Add(new Items { name = "sss" });
list2.Add(new Items { name = "eaf" });
// Find only in list1
List<Items> onlyInList1 = new List<Items>();
onlyInList1 = list1.Where(x => !list2.Any(y => y.name == x.name)).ToList();
Console.WriteLine("Only in list1 :-");
foreach(var i in onlyInList1)
{
Console.WriteLine(i.name);
}
// Find only in list2
List<Items> onlyInList2 = new List<Items>();
onlyInList2 = list2.Where(x => !list1.Any(y => y.name == x.name)).ToList();
Console.WriteLine("Only in list2 :-");
foreach (var i in onlyInList2)
{
Console.WriteLine(i.name);
}
// Find matched in both list
List<Items> equal = new List<Items>();
equal = list2.Where(x => list1.Any(y => y.name == x.name)).ToList();
Console.WriteLine("Matched in both lists :-");
foreach (var i in equal)
{
Console.WriteLine(i.name);
}
Console.ReadKey();
}
}
public class Items
{
public string name { get; set; }
}
}
@itorian
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itorian commented Apr 13, 2016

Output here

output

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