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By Vijay Cinnakonda A webservice in general is a way of exposing the properties and methods through the Internet In other words, it’s an URL-addressable resource that programmatically returns information to clients who want to use it. A webservice is based on XML standards and has been implemented by different vendors like IBM, Sun Microsystems, CapeClear [...]

SOAP is a protocol specification to invokemethods on servers, services, components and objects. The availableprocedure of using XML and HTTP as a method invocation mechanism isimplied by SOAP. A small number of HTTP headers that facilitatefirewall/proxy filtering are authorized by the SOAP specification. TheSOAP specification also mandates an XML vocabulary that is used torepresent method [...]

We canunderstand without difficulty why Web Services are produced if we lookat the computer and software worlds. There are many systems andplatforms out there on the Internet and there are even moreapplications that living on these systems and platforms. If we needmore explanation about this, there are many technologies out there toconnect clients to servers, [...]

  This tutorial teaches you how to “consume” a simple web service, Circle24_WorldTime, that allows you to find the time in major cities around the world using C#. This tutorial is for beginners to the C# language, .NET and XML web services and therefore will not go into great detail nor explain in depth how [...]

Since trying to work on a web-service seemsdifficult to new users and inexperienced programmers, this articlepresents a step-by-step method to form a simplest and shortestweb-service in C#. We'll start off with a web-service in C#. 1.On the start page, click on the New Project button. After that you'll see the following dialoguebox. Choose Visual C# [...]

  INTRODUCTION Web Services has been the most revolutionaryaspect of the .NET framework developed by Microsoft. This articlepresents the three different modes through which data can be accessedviz. through web services, stored procedures and SQL Query using thepower of ADO.NET and XML. Accessing Data through Stored Procedures/SQL Queries Case: Displaying Data in a Data Grid [...]

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This second article in this series dedicated to Web services comes as asequel to the first one in which I started to tell you how you couldbuild different kind of clients and services using MS SOAP Toolkit,Apache SOAP for Java and .NET Framework. In the last article I mentioned something about the incompatibilitybetween a MS [...]

First, let's start off by creating a very simple webservice. Creating A Webservice 1.Create a folder named Webservice under wwwroot 2. Create a File <%@ WebService Language="c#" Class="AddNumbers"%> using System;using System.Web.Services;public class AddNumbers : WebService{ [WebMethod] public int Add(int a, int b){ int sum; sum = a + b; return sum; }} 3.Save this file [...]

  This article will try to explain the how you can build web servicesand/or clients with any of the three languages: .NET, MS SOAP Toolkitand Java. But the real point of the article is to show you how you canbuild clients for web services from any of above-mentioned languages. Not long ago .NET was released [...]