Inside the WSDL & Web Services Proxies
page 1 of 16
Published: 10 Oct 2003
Unedited - Community Contributed
Abstract
Get a better understanding of Web Service contract (WSDL), tools available to generate a proxy, and consideration of a real Web Service Proxy example.
by Anonymous Contributor
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Why Do We Need to Know?

At the end of the day when the dust settles, there will be only a handful of Web Service Providers on the internet and most of us will remain as “consumers”. We can better utilize Web Services only when we understand the “Contract” of the services. So understanding the Web Service contract (spelled in WSDL) is the key to leverage a Web Service.

Though there are tools available to generate a proxy (like WSDL.EXE from Microsoft’s .NET Toolkit), having a better understanding of the WSDL and the proxy always helps in troubleshooting issues while consuming Web Services. In this article we will consider a real Web Service: Scandinavian Airline (SAS) Flight Status Web Service to understand the WSDL and then we will dissect the proxy that is generated for the SAS Flight Status Web Service.

All code samples presented in this article are developed in C#.


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User Comments

Title: Webservice   
Name: Anbazhagan. P
Date: 2009-03-14 12:47:38 PM
Comment:
Very useful website
Title: rakesh   
Name: Name rakesh
Date: 2007-09-13 3:38:58 AM
Comment:
Ok Run
Title: Getting Error   
Name: Dilip Kumar Prusty
Date: 2006-09-18 5:19:48 AM
Comment:
I am getting
The request failed with HTTP status 404: Not Found.
this error .

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