No, they are not.
Any configuration settings for asp.net apps should be placed in web.config.

There's options for using configuration settings in files external to web.config.

For an example, see :
http://forums.asp.net/p/945196/1141186.aspx

Juan T. Llibre, asp.net MVP
asp.net faq : http://asp.net.do/faq/
foros de asp.net, en español : http://asp.net.do/foros/
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Hi TS,

As Juan has suggested, in ASP.NET web.config file is the only configuration
storage and there is no user.config like winform application(because
ASP.NET application runs at server-side and doesn't directly access on
client user's machine).  Is there any particular requirement in your
appliation that need such a user.config file?  In ASP.NET application(from
2.0), if you want to store some per user specific data, you can consider
using the "profile" properties:

#Defining ASP.NET Profile Properties
http://msdn.microsoft.com/en-us/library/d8b58y5d.aspx

#Profiles In ASP.NET 2.0
http://www.odetocode.com/articles/440.aspx

Profile service can use different kind of persistent storage(by default use
SQL express database) to store data for each authenticated or anonymous
user.

Sincerely,

Steven Cheng

Microsoft MSDN Online Support Lead

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