Calling Webservice gives 'Namespace' is undefined

I am trying to call a Web service from a javascript. I am getting the error that my Namespace in my asmx file is undefined. I have gone through all the posts where people were having similar problems, but haven't found a fix.
My Web.config file has all the proper handlers. My asmx file compiles fine, and I am able to access the file in my web browser and invoke the function there. I am using VS 2008. I have tried completing rebuilding the project.



My Aspx file:


<%@ Page Language="C#" MasterPageFile="~/Site1.Master" AutoEventWireup="true" CodeBehind="PipeFlow.aspx.cs" Inherits="WebApplication1.PipeFlowPage" Title="Vega Energy - Pipeline Flow"%> <%@ Register assembly="System.Web.DynamicData, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" namespace="System.Web.DynamicData" tagprefix="cc ...