Look at http://quickstarts.asp.net/QuickStartv20/default.aspx
If you are using ASMX services, it is extremely easy to set up the service.
With .NET 2.0, you have to move to Remoting for non "web" services. Another
option is moving to .NET 3.0 and using WCF, which is about as easy as
ASP.NET web services with the flexibility of Remoting. If you want WCF, go
to http://wcf.netfx3.com/.

Signature
Gregory A. Beamer
MVP; MCP: +I, SE, SD, DBA
http://gregorybeamer.spaces.live.com
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Think outside the box!
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>I need to build a bridge between two applications and have been told
> to do it using web Services.
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>
> E@GD