Asp.net page inherits Error

<% @ Page Language = "C #" autoeventwireup = "true" codefile = "mainframe. aspx. cs"Inherits = "mainframe1"%>

The actual error itself is very simple, but after the error,. Net itself does not report an errorInheritsWrong writing, but some of the following errors are easy to find when you are clear-headed. However, when your mind is not clear, you may find this small mistake for a long time. So here we will remind you :)

 

The following error message is displayed:

Error 1 "ASP. systemframe_mainframe_aspx.gettypehashcode ()": no suitable method is found to duplicate

Write c: \ windows \ Microsoft. NET \ framework \ v2.0.50727 \ temporary ASP. NET

Files \ usermanagementweb \ 67afeddc \ 864b3578 \ app_web_eotkz3oc.8.cs 182
Error 2 "ASP. systemframe_mainframe_aspx.processrequest (system. Web. httpcontext )":

No suitable method was found to override c: \ windows \ Microsoft. NET \ framework \ v2.0.50727 \ temporary

ASP. NET files \ usermanagementweb \ 67afeddc \ 864b3578 \ app_web_eotkz3oc.8.cs 187
Error 3 "ASP. systemframe_mainframe_aspx" does not implement interface members

"System. Web. ihttphandler. isreusable" c: \ windows \ Microsoft. NET \ framework \ v2.0.50727

\ Temporary ASP. Net files \ usermanagementweb \ 67afeddc \ 864b3578 \ app_web_eotkz3oc.8.cs 122