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Description 

Building a "Hello World" Web Services Application 

Web Services are self-contained modular applications that can be published and invoked over a network (such as the World Wide Web). Web Services use SOAP, a standard lightweight protocol for exchanging information in a distributed environment. It uses HTTP as a communications protocol and XML to encode remote procedure calls. 

Accessing an ASP.NET "HelloWorld" Web Services Application 

If you want to consume the Web Services application you created, you must create a client application to access your ASP.NET Web Services application. This process requires different development steps to achieve the desired output.
Accessing a simple "Hello World" application with ASP.NET Web Services consists of four major steps:

1. Create a client application.
2. Add a Web Reference for an XML Web Service.
3. Create the code-behind logic.
4. Select a name for your project and click OK. A WinForm1.cs TWinForm1.pas file is generated.

 

Building an ASP.NET "Hello World" Web Services Application 

Building an application with ASP.NET Web Services lets you expose functionality to your client application over a Web connection. These steps walk you through building a simple "Hello World" application with ASP.NET Web Services. Once built, the application exposes all of its objects and methods through a WebMethod that you create and access through a web browser.
Creating a simple "Hello World" application with ASP.NET Web Services consists of three major steps:

1. Create an ASP.NET Web Services application.
2. Create a WebMethod.
3. Test and run the ASP.NET Web Services application.