insertion sort, C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            nt[] arr = new int[5] { 83, 12, 3, 34, 60 };
            int i;
            Console.WriteLine("The Array is :");
            for (i = 0; i < 5; i++)
            {
                Console.WriteLine(arr[i]);
            }
            insertsort(arr, 5);
            Console.WriteLine("The Sorted Array is :");
            for (i = 0; i < 5; i++)
                Console.WriteLine(arr[i]); 
            Console.ReadLine();
        }        
        static void insertsort(int[] data, int n)
        {
            int i, j;
            for (i = 1; i < n; i++)
            {
                int item = data[i];
                int ins = 0;
                for (j = i - 1; j >= 0 && ins != 1; )
                {
                    if (item < data[j])
                    {
                        data[j + 1] = data[j];
                        j--;
                        data[j + 1] = item;
                    }
                    else ins = 1;
                }
            }
        }
    }
}

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