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Site Upgrade in Progress
Obviously I am in the process of revamping/modifying the site in comming weeks.
Staty Tuned!


Welcome to Web Service world at www.w3coder.com... Enjoy this..
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Web Services(SOAP/WSDL)[Author:Sreedhar Koganti]



Web Services

First Question is Why we need Web Services, is the existing COM won't help us?.

Problem in Using COM Over the Internet:If you develop a COM component and if you want to use it in other machine over the Internet in Port80, if you have a firewall between them then you cannot use the COM component directly. Ideally in these days many machines are running under HTTP protocol and mostly all the companies are restricting their machines to accept only HTTP traffic. In this scenario we cannot directly use COM components to access by the other machine over the Internet.

Solution: In the present situation Web Services Standards are able to communicate over the Internet through HTTP traffic. Web Service are described using WSDL (Web Service Description language).
Web Services are based on XML(Extensible Markup Language) and is independent and open language that acts as an intermediate in Web-based communication.
SOAP(Simple Object Access Protocal) is an ideal tool for external communication between two machines using External Web Services.

So If you want to Work on Web Services, you have to know XML,SOAP,WSDL first.
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Articles on Web Services
Consuming XML Web Services with .NET Compact Framework :
In this article I would like to show you how we can consume the web services in Microsoft .Net compact framework. Go--> 07 Oct 2003:
HttpWebRequest and HttpWebResponse usage examples:
Last week in asp.net forms, some one asked a question on how to use HttpWebResponse and HttpWebRequest objects. To show how it works I made an example by using them in Web services as well as in asp.net applications. Go--> 10 Aug 2003:
Web Services Admin Tool Sample Application:
(If you have time, you should check this tool. It's an unsupported tool!!)The Web Services Admin Tool is an unsupported sample application that shows how you can create a tool to hook into Web services processing for various administrative purposes. [Microsoft] Go--> 03 Feb 2003:
Web Services In Microsoft World for Beginners:
This is a Quick Book on Web Services. This was made for beginners, who are having interest on learning .Net Web Services. If you have any questions or suggestions please feel free to contact me. Soon I am going to keep a similar Quick Book for Advanced developers. Go--> 09 Dec 2002:
Integrating .NET Web Services with BizTalk2002:
The purpose of this article is to explain how we can integrate Web Services in BizTalk2002. In order to explain it, we will create a web service in Visual Studio .NET and try to integrate that Web Service with BizTalk Orchestration, with the help of COM interop concept. [MSDNAA] Go--> 06 Oct 2002:
How to Handle Errors in .NET Web Services:
In this article I will show how to handle errors in Web Services and how the client can capture these error messages. We will see how SOAP is used when sending and receiving error messages from Web Services. [ASPTODAY] Go--> 11 Aug 2002:
Making UDDI Search Web Service (Using UDDI to locate Web services) :
In this article I would like to explain how to use Microsoft UDDI SDK to find desired Web Service details. Go--> 25 Feb 2002:
Publishing Crystal report as a Web Service:
In this article we will create a Crystal report as a Web Service and consume it in ASP.Net Client. Go--> 17 Feb 2002:

CopyRight(c) 2001-2002 Sreedhar Koganti