ASP.NET could not load type 'WebApplication1.Global' -

i created project (asp.net empty web application) webapplication1. have default.aspx/login.aspx/googlecallback.aspx

when run application, error shows

parser error  description: error occurred during parsing of resource required service request. please review following specific parse error details , modify source file appropriately.   parser error message: not load type 'webapplication1.global'.  source error:    line 1:  <%@ application codebehind="global.asax.cs" inherits="webapplication1.global" language="c#" %>  source file: /global.asax    line: 1  

does know how fix ? thank you

just check project -> properties -> web

project url --- click on (create virtual directory)link => ask map correct folder location ok.

this problem occured when move our project different directory , iis still refers old directory.