win7 IIS 7.5     vs2010     asp.net4.0下

发布Webservice时，我在VS2010里发布网站的路径是D:\Project\WebServices\PrecompiledWeb\QueryWebSite，在实际IIS中配置网站是，我设置的物理路径是D:\Project\WebServices\PrecompiledWeb，结果QueryWebSite下的资源都不能访问了，其中在访问Service.asmx是报错如下：

Server Error in '/' Application.

---

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: Could not
create type 'Service'.

Source Error:

Line 1:  <%@ WebService Language="C#" CodeBehind="~/App_Code/Service.cs" class="Service" %>

Source File:
/QueryWebSite/Service.asmx    Line: 1