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Noob help, debugging bad web services call

I'm fairly new to the web services side of .NET. I've inherited some code
I'm trying to get to work. It was only partially implemented and the
original programmers are gone.

Sorry if I don't have all the terminology right. Basically I'm making a
function call from regular code to a web service function (Validate(string
s, ...)). There is a "Web References" folder that's been created, and a
References.cs file that has been automatically generated. I debug and trace
up to the point of the Validate(string s,...) call. At this point s has
valid information (valid reference, valid string data), according to the
debugger. Then I step into the actual call ( this.Invoke("Validate"...) ).
On the other end, the string parameter is null.

Anyone got any clue as to what happened, or how I can track it down?
Nov 23 '05 #1
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