CreateUser Method for Entity Framework MVC3 Razor Custom Member Provider C# Using LINQ

public override MembershipUser CreateUser(string username, string password,
    string email, string passwordQuestion, string passwordAnswer,
    bool isApproved, object providerUserKey, out MembershipCreateStatus status)
{
    // only first 3 fields are passed in from the AccountModels.cs
    try
    {
        status = UsernameExists(username);
        if (status == MembershipCreateStatus.DuplicateUserName)
        {
            return null;
        }
        status = DuplicateEmail(email);
        if (status == MembershipCreateStatus.DuplicateEmail)
        {
            return null;
        }

        byte[] hashedPassword = HashPassword(password.Trim());
        GetValues gv = new GetValues();
        string ipAddress = gv.getIPAddress();
        int userStatus = 
            Convert.ToInt32(SSS.GlobalListValues.Enums.UserStatusCode.Active);

        using (var context = new SSSEntities())
        {
            UserProfile newUser = new UserProfile()
            {
                Email = email,
                UserPassword = hashedPassword,
                UserName = username,
                DateCreated = DateTime.Now,
                DateUpdated = DateTime.Now,
                DatePasswordLastChanged = DateTime.Now,
                DateLastLogin = DateTime.Now,
                UserStatusCode = userStatus,
                IpAddress = ipAddress,
            };


            // insert the User Role
            int userRole = 
                Convert.ToInt32(SSS.GlobalListValues.Enums.UserRoleCode.User_Public);
            // look up the desired user role : 
            // uses a UserRole join table with a many to many relation
            // between the UserProfile table and the ListValue table
            ListValue ur = context.ListValues
                .SingleOrDefault(lv => lv.ListValueId == userRole);
            newUser.UserProfileUserRoles.Add(ur);

            context.UserProfiles.AddObject(newUser);
            context.SaveChanges();

            // NKT: after creation, go back and retrieve the auto-generated identity key and 
            // update the userId's for the created and updated userId
            int userId = newUser.UserId;
            newUser.CreatedUserId = userId;
            newUser.UpdatedUserId = userId;

            context.SaveChanges();
            status = MembershipCreateStatus.Success;
            return GetMembershipUser(newUser);
        }
    }
    catch (ArgumentException)
    {
        status = MembershipCreateStatus.ProviderError;
        return null;
    }

}