Introduction to WCF Using Visual Basic
Current Version: 2.0
Summary
Windows Communication Foundation (WCF) is Microsofts new framework for
building distributed systems. It unifies and builds on the diverse set
of existing distribution mechanisms, which include ASP.NET Web services
and .NET Remoting. WCF enables developers to produce highly
configurable, secure, reliable and transactional services using a
single simplified programming model. And since WCF supports the WS-*
series of Web service standards, it enables simple interoperation with
other platforms and technologies. This course covers the essentials of
the technology and includes a large number of working examples and lab
exercises.
The course uses .NET 3.5 and Visual Studio 2008. An earlier version of
the course, Rev. 1.1, uses Visual Studio 2005 and is still available.
Prerequisites
- Prerequisite: Students should have a good working knowledge of building
.NET applications with Visual Basic. Knowledge of building distributed
systems and Web services will also be an advantage.
Course Objectives
On completion of this course, the student should be able to
- Learn what WCF is, and how it unites existing distribution
mechanisms
- Gain an understanding of what ABC (Address, Binding,
Contract) means for WCF services
- Learn how to implement WCF services and clients
Length
3 Days
Format
Instructor-led course, with practical computer-based exercises.
Course Outline
- 1. Introduction to WCF
- What is WCF?
- Address, Binding and Contract
- WCF Services and Clients
- IIS Hosting
- WCF Architecture
- 2. Addresses and Bindings
- Addresses
- Bindings
- Message Exchange Patterns
- Configuring Bindings
- Interoperating with ASMX Web Services
- Hosting in a Console Application
- Channel Factories
- Multiple Endpoints
- 3. Service Contracts
- Defining Service Contracts
- Defining Operation Contracts
- Services With Multiple Contracts
- Contract Inheritance
- Operation Overloading
- 4. Instance Management
- Using Per-Call Services
- Using Per-Session Services
- Using Singleton Services
- Configuring Behaviors
- 5. Data Contracts
- Implementing Data Contracts
- Mapping Data Contracts to XSD Schema
- Serialization
- Arrays and Generic Collections
- Enums
- Versioning Data Contracts
- 6. More about Service Contracts
- Versioning Service Contracts
- Implementing Message Exchange Patterns
- Oneway Contracts
- Duplex Contracts
- Asynchronous Proxies
- 7. Handling Errors
- Faults and Exceptions
- Generating and Handling Faults
- Fault Contracts
- Faults and Sessions
Hardware and Software Requirements
Course exercises require Microsoft .NET 3.5 and Visual Studio 2008
Standard Edition or higher. The preferred operating system is Windows
XP Professional with Internet Information Services. See the appropriate
course Setup Guide for details.
A good minimal hardware profile for this course consists of a 2 GHz or
better CPU, 512 MB of RAM, and at least 4 GB of free disk space for
tools installation and courseware.
References
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