IIS发布网站无法加载类型could not load type

[DelonVolk]

从项目里面取的一部分IIS发布的网站，页面有些打开报错，求助

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 load type 'xx.xx.att'.

Source Error: 

Line 1: <%@Page Language = "vb" AutoEventWireup = "false" Codebehind="att.aspx.vb" Inherits="xx.xx.att" %>


Source File: xx/xx/attention.aspx    Line: 1 

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1