>>If you're looking for a way to remotely monitor a Web server and be notified if it's down or otherwise unavailable, take a look at the West Wind Web Monitor (http://www.west-wind.com/Webmonitor.asp). It goes beyond just pinging a site or checking for just any response, and allows you to search for a specific string in the response to be sure a valid page is being returned. It's a nice little program and works great, like all of Rick Strahl's stuff.
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>Thanks Rick, but it´s not that. I need to extract information from queries made using some parameters that are stored in DBF files.

Sorry that didn't help. I'm not sure I know what you're looking for, then. Maybe you could post some more information to help us understand your application and what you need to accomplish.

BTW - would you be interested in sharing some information about Rio? I used to live there, but a long time ago. For one thing, it would be interesting to know if the place I lived is still there. If you want to, send me a private message.