Web Services Tutorial

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Using the Web Service Example

In the previous page we created a Web service.


The FahrenheitToCelsius() function can be tested here: FahrenheitToCelsius


The CelsiusToFahrenheit() function can be tested here:

CelsiusToFahrenheit
These functions will send an XML response like this:

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Put the Web Service on Your Web Site

Using a form and the HTTP POST method, you can put the web service on your site, like this:


Fahrenheit to Celsius:
Celsius to Fahrenheit:

How To Do It

Here is the code to add the Web Service to a web page:


action='http://www.example.com/webservices/tempconvert.asmx/FahrenheitToCelsius'
method="post" target="_blank">

Fahrenheit to Celsius:

action='http://www.example.com/webservices/tempconvert.asmx/CelsiusToFahrenheit'
method="post" target="_blank">

Celsius to Fahrenheit:

Substitute the "www.example.com" in the code above with the address of your web site.

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Web Services Summary

This tutorial has taught you how to convert your applications into web-applications.
You have learned how to use XML to send messages between applications.
You have also learned how to export a function (create a web service) from your application.


Now You Know Web Services, What's Next?

The next step is to learn about WSDL and SOAP.


WSDL
WSDL is an XML-based language for describing Web services and how to access them.


WSDL describes a web service, along with the message format and protocol details for the web service.
If you want to learn more about WSDL, please visit our WSDL tutorial.




SOAP
SOAP is a simple XML-based protocol that allows applications to exchange information over HTTP.
Or more simply: SOAP is a protocol for accessing a web service.