Custom error page for 404 asp net
NET websites running on IIS 7+. Just add catch all route at the end of the routes table and display whatever page you want with it. See: How can i make a catch all route to handle ' 404 page not found' queries for ASP. NET this case the error was raised by ASP. NET MVC because it could not find a matching controller and/ or action that matched the specified URL. In order to set up a custom 404 error page add the following to web. local relative path when responsemode is ExecuteURL - - > < error statusCode= " 403" path= " / 404error. Turn on Custom Errors - - > < customErrors mode= " On" defaultRedirect= " DefaultRedirectErrorPage. aspx" > < seems 404 errors are trapped by. NET Framework but 403 errors are trapped by the Web server not actually reaching the web site ( that may be why custom error page is not shown). The only solution to this should be to try to. Try this way, almost same.
Video:Custom error page
Error custom page
but that' s what I did, and working. < configuration> < system. web> < customErrors mode= " On" defaultRedirect= " apperror. aspx" > < error statusCode= " 404" redirect= " 404. aspx" / > < error. customErrors mode= " On" defaultRedirect= " ~ / Error/ GenericErrorPage. aspx" > < error statusCode= " 404". webServer> < httpErrors existingResponse= " PassThrough" > / / custom error page mappings < / httpErrors> < / system. ユーザーに表示される内容を ASP. NET web アプリケーションでランタイム エラーが 発生します。 方法によって. として図 7に示した、 404.
aspx ページは、 一般的な カスタム エラー ページよりも具体的なメッセージを含めることができます。. After Googling about this issue, it seems that this is the default behavior that Microsoft ASP. NET provides for the situation. This is very bad for SEO. A work around I found is to check whether the requested file exists in an HTTP. I found out some interesting information here: angrypets. com/ / 03/ responsetryskip. TrySkipIisCustomErrors = true;. Setting TrySkipIisCustomErrors to true after the Response. StatusCode = 404.