using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
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.Xml.Linq;
using Microsoft.CommerceServer.Runtime;
using Microsoft.CommerceServer.Runtime.Profiles;

namespace ASPNet3346
{
    public partial class UpmMembership : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

            UpmMembershipUser user = (UpmMembershipUser)Membership.GetUser("foo");
            //user.LastLockoutDate;
            //user.IsLockedOut;

        }

        protected void btnAuthenticate_Click(object sender, EventArgs e)
        {
            bool result=Membership.ValidateUser("rajendra@dewani.net", "rajendra@dewani.net");
            DisplayHelper.DisplayValue("ValidateUser ", result.ToString(), Response);
        }
        protected void btnTryLock_Click(object sender, EventArgs e)
        {
            bool result = Membership.ValidateUser("rajendra@dewani.net", "ABC");
            DisplayHelper.DisplayValue("ValidateUser ", result.ToString(), Response);
            MembershipUser user = Membership.GetUser("rajendra@dewani.net");
            if (user!=null)
            {
            DisplayHelper.DisplayValue("Is Locked  ", user.IsLockedOut, Response);
            if (user.LastLockoutDate!=null)
                DisplayHelper.DisplayValue(" Locked Date  ", user.LastLockoutDate.ToString("dd/MMM/yyyy hh:mm:ss"), Response);
            }
        }

        protected void btnCreateUser_Click(object sender, EventArgs e)
        {
            MembershipCreateStatus status;
            Membership.CreateUser("rajendra@dewani.net", "rajendra@dewani.net", "rajendra@dewani.net",
                                  "rajendra@dewani.net", "rajendra@dewani.net", true, null, out status);
            if (status==MembershipCreateStatus.Success)
            {
                DisplayHelper.DisplayValue("User Created", "rajendra@dewani.net", Response);
            }
        }
    }
}

Attached Source Code : ASPNet3346