public partial class Profile : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            MembershipUser currentUser = Membership.GetUser();
            Guid currentUserId = (Guid)currentUser.ProviderUserKey;
            string connectionString = ConfigurationManager.ConnectionStrings["conn"].ConnectionString;
            string querySQL = "SELECT FirstName, LastName FROM User_Profile WHERE UserId =" + currentUserId ;
            
            SqlConnection conn = new SqlConnection(connectionString);
            SqlCommand cmd = new SqlCommand(querySQL, conn);
            cmd.Parameters.AddWithValue("@UserId", currentUserId);
            
            conn.Open();
            cmd.ExecuteNonQuery();

            Response.Write("Utente corrente: " + currentUserId.ToString());




        }
    }