need help passing XML to google MAp

 I RETREIVE XML FROM A WEBSITE AND PASSED IT TO GOOGLE MAPS AND THE XML HAS MULTIPLE COORDINATES BUT THE MAP ONLY SHOW 1 COORDINATE PLEASE HELP ME ..
this is the code i have used
on vb.net but d XML contains more than one coordinate but it always shows only one ... pl help mee ...



Imports System.xml
Partial Class _Default
    Inherits System.Web.UI.Page
    Protected lat As String, lon As String
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
        Dim ipaddress As String
        ipaddress = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
        If ipaddress = "" OrElse ipaddress Is Nothing Then
            ipaddress = Request.ServerVa ...