CSHARP

add item to list c#

var names = new List<string>();
names.Add("Brandon");
names.Add("Harry");

how to add to a list c#

var list = new List<string>();
list.Add("Hello");

add all elements in a list c#

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

List<int> intList = new List<int>(){1, 2, 3, 4};
int sum = intList.Aggregate((x, y) => x + y);