Converting String Password in Md5 Format

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using System.Data.SqlClient;
using System.Security.Cryptography;
public partial class convertinhash : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
string userhash = CreatePasswordHash((TextBox1.Text.Trim()).ToUpper());
Label1.Text = userhash;
}
private static string CreatePasswordHash(string pwd)
{
string hashedPwd = FormsAuthentication.HashPasswordForStoringInConfigFile(pwd, "md5");
return hashedPwd;
}
}