Alex Ferrara is Chief Technology Officer at U-Inspire, a provider of on-line business training and motivational services, and head of Boston Technical, a consulting arm of U-Inspire that specializes in .NET application development. Matthew MacDonald is President of ProseTech, a software documentation consultancy, and a project manager at VoiceIQ (http://www.voiceiq.com/), a provider of software for interactive voice-enabled applications and services. Matthew is a co-author of the ASP.NET in a Nutshell (O'Reilly), and a contributor to the C SHARP in a Nutshell (O'Reilly) API reference.

• Preface 1. Understanding Web Services Why Web Services? The Origin of Web Services The .NET Web Service Architecture Competing Web Service Technologies Other Technologies 2. Creating ASP.NET Web Services Creating a Web Service: "Hello, World" The WebService Attribute The WebMethod Attribute Deploying a Web Service Using the .NET Compilers 3. Consuming Web Services The Web Service Consumer Model Accessing Web Services: HTTP Exposing Web Services: WSDL Calling Web Services: the Client Proxy Creating a Client Proxy Working with the Proxy Class Consuming a Web Site Using a Screen Scraper Service 4. Working with Data Types Working with Simple Data Types Working with Complex Data Types Using Complex Data Types as Arguments Passing Data with DataSets Using Binary Data 5. Managing State The Great State Debate State Management Scenarios ASP.NET's Session State Facility Session State Configuration Example: Managing Session State Application State Custom Cookies Stateless Web Services and Tickets SOAP Headers 6. Asynchronous Services Asynchronous Consumption Asynchronous Services 7. Caching and Profiling ASP.NET Caching Simple Output Caching Data Caching Cache Dependencies Replacing Stateful Design with Caching Profiling Your Web Service 8. Debugging, Tracing, and Logging Debugging in Visual Studio .NET Using Exceptions Logging Errors with .NET SOAP Extensions Advanced SOAP Extensions 9. Security and Authentication Potential Vulnerabilities Web Service Authentication IIS Security Features ASP.NET Security Programmatic Security Custom Authentication Techniques Process Security 10. Publishing and Discovery Publishing UDDI UDDI Business Registries Registering a Business Entity WSDL and UDDI Visual Studio .NET and UDDI UDDI Messaging UDDI Access with .NET The WS-Inspection Alternative Customizing the IE Test Page 11. Interoperability State of the Specifications Implementation Differences SOAP Interoperability WSDL Interoperability HTTP Interoperability and M-Post Known Interoperability Problems Maximizing Interoperability A. Namespace Quick Reference B. Web Service Technologies Index

Alex Ferrara is Chief Technology Officer at U-Inspire, a provider of on-line business training and motivational services, and head of Boston Technical, a consulting arm of U-Inspire that specializes in .NET application development. Matthew MacDonald is President of ProseTech, a software documentation consultancy, and a project manager at VoiceIQ (http://www.voiceiq.com/), a provider of software for interactive voice-enabled applications and services. Matthew is a co-author of the ASP.NET in a Nutshell (O'Reilly), and a contributor to the C SHARP in a Nutshell (O'Reilly) API reference.

• Preface 1. Understanding Web Services Why Web Services? The Origin of Web Services The .NET Web Service Architecture Competing Web Service Technologies Other Technologies 2. Creating ASP.NET Web Services Creating a Web Service: "Hello, World" The WebService Attribute The WebMethod Attribute Deploying a Web Service Using the .NET Compilers 3. Consuming Web Services The Web Service Consumer Model Accessing Web Services: HTTP Exposing Web Services: WSDL Calling Web Services: the Client Proxy Creating a Client Proxy Working with the Proxy Class Consuming a Web Site Using a Screen Scraper Service 4. Working with Data Types Working with Simple Data Types Working with Complex Data Types Using Complex Data Types as Arguments Passing Data with DataSets Using Binary Data 5. Managing State The Great State Debate State Management Scenarios ASP.NET's Session State Facility Session State Configuration Example: Managing Session State Application State Custom Cookies Stateless Web Services and Tickets SOAP Headers 6. Asynchronous Services Asynchronous Consumption Asynchronous Services 7. Caching and Profiling ASP.NET Caching Simple Output Caching Data Caching Cache Dependencies Replacing Stateful Design with Caching Profiling Your Web Service 8. Debugging, Tracing, and Logging Debugging in Visual Studio .NET Using Exceptions Logging Errors with .NET SOAP Extensions Advanced SOAP Extensions 9. Security and Authentication Potential Vulnerabilities Web Service Authentication IIS Security Features ASP.NET Security Programmatic Security Custom Authentication Techniques Process Security 10. Publishing and Discovery Publishing UDDI UDDI Business Registries Registering a Business Entity WSDL and UDDI Visual Studio .NET and UDDI UDDI Messaging UDDI Access with .NET The WS-Inspection Alternative Customizing the IE Test Page 11. Interoperability State of the Specifications Implementation Differences SOAP Interoperability WSDL Interoperability HTTP Interoperability and M-Post Known Interoperability Problems Maximizing Interoperability A. Namespace Quick Reference B. Web Service Technologies Index