请问这个是什么错误啊？怎么解决啊？ [复制链接]

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 'PageAdmin.lanmu'.

Source Error:


Line 1:  <% @ Page language="c#" Inherits="PageAdmin.lanmu"%><asplaceHolder id="Holder" runat="server" />



Source File: /index.aspx    Line: 1


--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:2.0.50727.3603; ASP.NET Version:2.0.50727.4049