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Web Services Using C# and .NET
Rev. 4.0
.Net Training Overview

This course provides a realistic, hands-on, comprehensive coverage of developing Web services using .NET and C#. Web services are an evolving series of standards that enable programs on various computers to communicate with other programs on similar or disparate computers transparently over the Internet. This course teaches in detail the skills needed to program Web services using.NET technologies, both ASP.NET and Windows Communication Foundation (WCF). It also examines the fundamentals of SOAP, WSDL and REST. The course is current to .NET 4.0 and Visual Studio 2010, with coverage of newer features such as the WS-I Basic Profile 1.1, SOAP 1.2, the event pattern for calling Web services asynchronously, support for REST services, and more.

The first chapter introduces Web services and Service Oriented Architecture (SOA). The baseline Web service specifications of XML, SOAP, WSDL and UDDI are outlined.

Chapter 2 covers the fundamentals of SOAP and WSDL. Web services are developed using the .NET Framework SDK. Chapter 3 covers the details of how to create and debug ASP.NET Web services using Visual Studio 2010.

Chapter 4 shows how to create clients for Web services using an SDK tool and using Visual Studio 2010. Sophisticated topics, such as state management, caching and transactions in Web services are covered in Chapter 5. The next three chapters discuss important technologies at the foundation of .NET Web services, including XML serialization, SOAP and WSDL.

Chapter 9 provides a practical discussion of data access using Web services. Chapter 10 introduces Windows Communication Foundation. The course concludes with a detailed discussion of Representational State Transfer (REST) and the implementation of REST Web services and clients using WCF and .NET.

.Net Training Prerequisites

Knowledge of the .NET Framework using C# and an understanding of the fundamentals of XML. Some experience in ASP.NET is advantageous.

.Net Training Learning Objectives

After completing this course, the student should be able to:
  • Gain a comprehensive understanding of the philosophy and architecture of Web services and Service Oriented Architecture
  • Acquire a working knowledge of creating and consuming Web services using the .NET Framework 4.0 and Visual Studio 2010
  • Attain a detailed knowledge of the building blocks of Web services, including XML, SOAP and WSDL
  • Understand issues in the ASP.NET programming model, such as caching, data handling and state management
  • Implement Web services and clients using WCF.
  • Understand the issues of interoperability between Web services created using ASP.NET and those created using WCF
  • Understand the principles of Representational State Transfer and how to implement REST services and clients
.Net Training Course duration

4 days

.Net Training Course outline

1. What Are Web Services?
  • Introduction to Distributed Computing
  • Network Latency
  • Object State and Scalability
  • Interoperability
  • SOAP
  • WSDL
  • UDDI
  • Web Service Business Models
  • Service Oriented Architecture (SOA)
  • ASP.NET Web Services
  • Windows Communications Framework (WCF)
  • Representational State Transfer (REST)
2. Web Services Fundamentals
  • Creating a Web Service Using ASP.NET
  • Deploying a Web Service Using IIS
  • Testing a Web Service
  • HTTP
  • XML
  • SOAP 1.1 and SOAP 1.2
  • Web Service Clients
  • WSDL
3. Developing ASP.NET Web Services
  • Using Visual Studio 2010 to Develop Web Services
  • Visual Web Developer
  • Using ASP.NET Development Server
  • An Overview of the Web Services Namespaces
  • Deriving from the WebService Class
  • @Webservice Attribute
  • WebService Class
  • Adding a WebMethod to Web Services
  • Debugging Web Services
  • WS-I Basic Profile
  • ASP.NET Configuration
4. Web Service Clients
  • Web Service Proxies
  • Web Services Description Language Tool (Wsdl.exe)
  • Understanding the Proxy Code
  • Creating a Proxy with Visual Studio 2010
  • Returning Complex User-Defined Data Types
5. ASP.NET Web Services Programming Model
  • Asynchronous Programming in Web Services
  • Asynchronous Events in .NET 4.0
  • Managing State in ASP.NET Web Services
  • Transactions in ASP.NET Web Services
  • Caching in ASP.NET Web Services
6. XML Serialization
  • XmlSerializer
  • What Is Not Serialized
  • Writing and Reading XML
  • Customizing XML Serialization
  • XML Schema and XSD
  • Creating Classes from Schemas
  • XML Serialization and Web Services
7. More about SOAP
  • The Structure of SOAP Messages
  • Using SOAP Headers
  • SOAP Faults
  • Document and RPC Style Messaging
  • Literal and Encoded Use
  • Customizing SOAP with Attributes
  • Using SOAP 1.2
8. More about WSDL
  • The Need for Service Description
  • An IDL for Web Services
  • WSDL Namespaces
  • The WSDL Description Model
  • WSDL Descriptors as Schema
  • Message Description
  • Messaging Scenarios
  • Operations: Input, Output, and Fault
  • Messages
  • Service Description
  • Extending WSDL
  • .NET WSDL Classes
  • WSDL First!
9. Data Access with Web Services
  • Multiple-Project Solutions in Visual Studio
  • Multiple-Tier Data Access
  • Data Access Using ADO.NET 4.0
  • A Data Access Web Service
  • Data Binding with Windows Forms
  • Binding to a Web Service
10. Introduction to WCF
  • What is WCF?
  • Address, Binding and Contract
  • WCF Services and Clients
  • IIS Hosting
  • Interoperability with ASMX Web Services
  • Data Contracts
11. REST Web Services
  • Representational State Transfer
  • Using HTTP Methods
  • REST Services via WCF
  • Testing and Debugging using Fiddler
  • Clients of REST Services
Appendix A. Learning Resources


System Requirements

Required software is Visual Studio 2010, Professional Edition or higher. The recommended operating system is Windows 7. Internet Information Services should be installed. See the course Setup Notes for details.

A good minimal hardware profile for this course would have a 2 GHz or better CPU, 1 GB of RAM, and at least 4 GB of free disk space for tools installation and courseware.

 
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