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Webservices in .NET

Posted By:Ramesh P       Posted Date: October 19, 2010    Points: 15    Category: Web Services    URL: http://www.dotnetspark.com  

This article helps to learn about web services.

Web services are business logic components which provide functionality via the internet using standard protocols such as HTTP.

Web serivices uses simple object access portocol in order to expose the business logic functionality. SOAP defines a standardized format in XML which can  be exchanged between two entities over standard protocols such as HTTP. SOAP is platform independent.

WebMethod attribute has to be specified in order that the method and property can be treated as webservices. To get webmethod written in different server we have to get a proxy object of webservice at the  client side.

For that, first client communicates to UDI node for webservice eithere through browser or UDDI'S public web service.
Udii responds with a list of webservice. Every service listed by webservice has a URI pointing to DISCO or WSDL document. After parsing the DISCO document, we follow the  URI for the WSDL document related to the webservice which we need. client then parses the WSDL document and builds a proxy object which can communicate with webservice.
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