Problem in publishing webapplication

hi,
i am using webservices with asp.net2.0

After publishing my webapplication.. while running the application

i go errors like this

Server Error in '/OfficeMatrix' Application.
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Parser Error Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.

Parser Error Message: Ambiguous match found.

Source Error:

Line 1: <%@ page language="C#" autoeventwireup="true" inherits="ManageHolidays, App_Web_zv9xrp6v" %>
Line 2:
Line 3: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

Source File: /officematrix/ManageHolidays.aspx Line: 1

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Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42

This line : inherits="ManageHolidays, App_web_zv9zrp6v"

it is new to me.. What it means App_web_zv9zrpyv ?
why it get added with inherits?

this problem occurs in the page i am calling webservices.. but not in other pages..

pls help me to get rid of this problem

thankyou
veeresh