Authentication Authorization ASP.Net Tutorial

<%@ Page Language="C#" %>
<%@ Import Namespace="System.Data.SqlClient" %>
<%@ Import Namespace="System.Web.Configuration" %>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

    protected void CreateUserWizard1_CreatedUser(object sender, EventArgs e)
    {
       CreateUserProfile(CreateUserWizard1.UserName,txtFirstName.Text,txtLastName.Text);
    }
    private void CreateUserProfile(string userName, string firstName, string lastName)
    {
        string conString = WebConfigurationManager.ConnectionStrings ["UserProfiles"].ConnectionString;
        SqlConnection con = new SqlConnection(conString);
        SqlCommand cmd = new SqlCommand("INSERT UserProfiles (UserName,FirstName,LastName) VALUES (@UserName,@FirstName,
        cmd.Parameters.AddWithValue("@UserName", userName);
        cmd.Parameters.AddWithValue("@FirstName", firstName);
        cmd.Parameters.AddWithValue("@LastName", lastName);
        using (con)
        {
            con.Open();
            cmd.ExecuteNonQuery();
        }
    }



    CreateUserWizard Extra


    
    

            id="CreateUserWizard1"
        Runat="server" OnCreatedUser="CreateUserWizard1_CreatedUser">
        
        
                            id="lblFirstName"
                Text="First Name:"
                AssociatedControlID="txtFirstName"
                Runat="server" />
            
                            id="txtFirstName"
                Runat="server" />
            
                            id="lblLastName"
                Text="Last Name:"
                AssociatedControlID="txtLastName"
                Runat="server" />
            
                            id="txtLastName"
                Runat="server" />