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This book is designed to get the reader started quickly creating business applications with COM+. The five parts of the book encompass Understanding COM+ Applications, Data Services Layer, Business Services Layer, User Services Layer, and the final project. In the last section of the book, readers will put all that they learned in the previous chapters to work by developing the PubsOnLine.com application. This application is intended as a complete learning application that uses many of the features presented in the book.
Introduction.
How This Book Is Organized.
Part I: Understanding COM+ Applications. Part II: Data Services. Part III: Business Services. Part IV: User Services. Part V: PubsOnLine.com.
Conventions Used in This Book.
I. UNDERSTANDING COM+ APPLICATIONS.
1. Windows DNA and COM+.Windows 2000 Services.
Active Directory. Internet Information Server 5.0. Message Queuing. Universal Data Access. XML Support. Network Load Balancing. Component Services.
Tiered Architecture Overview.
Two-Tier Architecture. Three-Tier Architecture
Establishing a Test Environment.
Windows 2000 Advanced Server. SQL Server 2000. Visual Studio.
2. Administering COM+.The Component Services Explorer.
Computer Properties. Application Properties. The System Application. Creating Applications. Component Properties. Installing COM+ Components into an Application.
3. Designing COM+ Applications.Assessing Functional Requirements.
Problem Statement. Gathering Requirements. Assessing Requirements.
Describing the System.
Identifying Actors and Use Cases. Documenting the Use Cases. Flow Charts.
Creating the Paper Prototype.
System Modeling. Database Model. Logical Model. Three-Tier Diagram.
4. COM+ Application Fundamentals.Understanding Contexts.
Object Activation. Communicating with the Context. State Management. The ObjectControl Interface.
Managing Shared Properties.
SharedPropertyGroupManager. SharedPropertyGroup. SharedProperty.
PART II. DATA SERVICES.
5. Accessing Data with COM+.OLEDB Session Pooling.
Controlling the Number of Pools. Tuning Session Pooling.
Understanding Data Transportation.
Understanding Cursors. Understanding Transports and Payloads. Delimited Strings. Variant Arrays. Disconnected Recordsets. Property Bags. Conclusion.
XML.
XML Fundamentals. The Stream Object. Web Services and SOAP.
Updating Records.
Handling Collisions
6. COM+ Data Components.Encapsulating Stored Procedures. Parameter Passing.
Strong Function Signatures. Variant Arrays. XML.
