In this blog we will know round off numbers to its nearest number.

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

namespace WindowsFormsApplication3

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

private void button1_Click(object sender, EventArgs e)

{

string s1 = textBox1.Text;

decimal value;

if (decimal.TryParse(s1, out value))

{

value = Math.Round(value);

s1 = value.ToString();

MessageBox.Show(s1);

}

}

}

}