Inline Code in Sharepoint 2010

Change the web config accordingly :

find <PageParserPaths></PageParserPaths> block in web.config file and replace with

<PageParserPaths>
         <PageParserPath VirtualPath="/*" CompilationMode="Always" 
         AllowServerSideScript="true" IncludeSubFolders="true"/>
      </PageParserPaths>