i urgently need this programs so please give the answers

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

public partial class secondHighestLowest : System.Web.UI.Page

{

int[] arr = new int[10] { 45, 3, 64, 6, 24, 75, 3, 6, 24, 45 };

protected void Page_Load(object sender, EventArgs e)

{

secondHighestLowestNumber();

secoundLowestNumber();

}

private void secondHighestLowestNumber()

{

int firstHighestNumber = arr[0];

int secondHighestNumber = arr[0];

for(int i = 0; i

{

if (arr[i]>firstHighestNumber)

{

firstHighestNumber = arr[i];

}

}

for (int x = 0; x < arr.Length; x++)

{

if (arr[x]>secondHighestNumber && firstHighestNumber!=arr[x])

{

secondHighestNumber = arr[x];

}

}

Response.Write("secondHighestNumber---- " + secondHighestNumber + "
");

}

private void secoundLowestNumber()

{

int firstLowestNumber = arr[0];

int secondLowestNumber = arr[0];

for (int i = 0; i < arr.Length; i++)

{

if (arr[i] < firstLowestNumber)

{

firstLowestNumber = arr[i];

}

}

for (int x = 0; x < arr.Length; x++)

{

if (arr[x] < secondLowestNumber && firstLowestNumber != arr[x])

{

secondLowestNumber = arr[x];

}

}

Response.Write("secondLowestNumber---- " + secondLowestNumber + "
");

}

}