![Important points
• hTTP is a widely used protocl by the web service.
• SOAP message in the form of XML format
• There are three aspect of developing web service
development.
o creating the web service
o creating a proxy
o consuming the web service
Web service extension is .asmx
If a method needs to expose to a client that should be declare
with [web method] attribute. And the method must be public
• .](https://image.slidesharecdn.com/xmlandwebservice-180328042240/85/Xml-and-webservice-16-320.jpg)
![• public class my1stwebservice : System.Web.Services.WebService
• {
• [WebMethod (Description="this method for multplication")]
• public int multiplication(int a,int b)
• {
• return (a*b);
• }
• [WebMethod(Description="this method for sum")]
• public int sum(int a, int b)
• {
• return (a + b);
• }
• [WebMethod]
• public int minus(int a, int b)
• {
• return (a - b);
• }
• }](https://image.slidesharecdn.com/xmlandwebservice-180328042240/85/Xml-and-webservice-17-320.jpg)
Xml and webservice
- 1. Xml and webservice By miss saba sumreen
- 2. xml • XML is a software- and hardware-independent tool for storing and transporting data. • What is XML? • XML stands for eXtensible Markup Language • XML is a markup language much like HTML • XML was designed to store and transport data • XML was designed to be self-descriptive • XML is a W3C Recommendation
- 3. • <hasnanin> • <hobby>kch nhi</hobby> • <profession>kch n</profession> • </hasnain>
- 14. System.Web.Services Namespace • The System.Web.Services namespace consists of the classes that enable you to create XML Web services using ASP.NET and XML Web service clients. XML Web services are applications that provide the ability to exchange messages in a loosely coupled environment using standard protocols such as HTTP, XML, XSD, SOAP, and WSDL. XML Web services enable the building of modular applications within and across companies in heterogeneous environments
- 15. Classes Class Description WebMethodAttribute Adding this attribute to a method within an XML Web service created using ASP.NET makes the method callable from remote Web clients. This class cannot be inherited. WebService Defines the optional base class for XML Web services, which provides direct access to common ASP.NET objects, such as application and session state. WebServiceAttribute Used to add additional information to an XML Web service, such as a string describing its functionality. WebServiceBindingAttribu te Declares a binding that defines one or more XML Web service methods. This class cannot be inherited.
- 16. Important points • hTTP is a widely used protocl by the web service. • SOAP message in the form of XML format • There are three aspect of developing web service development. o creating the web service o creating a proxy o consuming the web service Web service extension is .asmx If a method needs to expose to a client that should be declare with [web method] attribute. And the method must be public • .
- 17. • public class my1stwebservice : System.Web.Services.WebService • { • [WebMethod (Description="this method for multplication")] • public int multiplication(int a,int b) • { • return (a*b); • } • [WebMethod(Description="this method for sum")] • public int sum(int a, int b) • { • return (a + b); • } • [WebMethod] • public int minus(int a, int b) • { • return (a - b); • } • }