use list c sharp code example

Example 1: decalre an int list mvc

List<int> intList = new List<int>();

Example 2: Lists - Learn C#

List<string> food = new List<string>();
food.Add("apple");
food.Add("banana");

List<string> vegetables = new List<string>();
vegetables.Add("tomato");
vegetables.Add("carrot");

food.AddRange(vegetables);
Console.WriteLine(food.Count);