How to insert an item in a list at a given position in C#?

To insert an item in an already created List, use the Insert() method.

Firstly, set elements −

List <int> list = new List<int>();
list.Add(989);
list.Add(345);
list.Add(654);
list.Add(876);
list.Add(234);
list.Add(909);

Now, let’s say you need to insert an item at 4th position. For that, use the Insert() method −

// inserting element at 4th position
list.Insert(3, 567);

Let us see the complete example −

Example

using System;
using System.Collections.Generic;

namespace Demo {
   public class Program {
      public static void Main(string[] args) {
         List < int > list = new List < int > ();

         list.Add(989);
         list.Add(345);
         list.Add(654);
         list.Add(876);
         list.Add(234);
         list.Add(909);

         Console.WriteLine("Count: {0}", list.Count);

         Console.Write("List: ");
         foreach(int i in list) {
            Console.Write(i + " ");
         }
         // inserting element at 4th position
         list.Insert(3, 567);
         Console.Write("\nList after inserting a new element: ");
         foreach(int i in list) {
            Console.Write(i + " ");
         }
         Console.WriteLine("\nCount: {0}", list.Count);
      }
   }
}

Chandu yadav

Updated on 22-Jun-2020 12:19:34

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