How can I set 404 and other error pages using web.config? I have tried adding following block in web.config.
<customErrors defaultRedirect="Forms/Errors/Page_404.aspx" mode="On">
<error statusCode="500" redirect="servererror.aspx" />
<error statusCode="403" redirect="NoAccess.htm" />
<error statusCode="404" redirect="Forms/Errors/Page_404.aspx" />
</customErrors>
but still its showing default error page of IIS7. How to fix this?