Building COM+ Applications using Microsoft .NET Enterprise Services

Introduction
This five-day, instructor-led course providesstudents with the knowledge and skills to effectively build scalable, distributedapplications that use Microsoft .NET EnterpriseServices and the Microsoft .NET Framework.

Audience
This course is intended for:

Departmental developers who currently build client/server applications and large-scale solutions for departments inside a business.

Consultants who work with developers to build client/server applications and large-scale solutions for businesses.

Web developers who build Web-based applications requiring significant infrastructure support such as transactions, security, and pooling of resources.

Line-of-business (LOB) application developers.

At Course Completion
After completing this course, students will beable to:

Describe the history of server-based applications and describe the COM+ runtime architecture.

Use attributes to configure an assembly as a COM+ application and create components that use just-in-time (JIT) activation and are synchronized.

Create data access components that use Microsoft ADO.NET to retrieve or update data in a database.

Create transactional components.

Help protect an enterprise application by using COM+ services role-based security.

Manage state in JIT activated components.

Create compensating resource managers to enable transactional support for resources lacking a resource manager.

Use loosely coupled events to send notifications to other applications.

Create queued components.

Debug COM+ applications and describe common application-failure scenarios and how to solve these failures.

Create scripts for managing deployment and administration.

Use the enhancements provided by COM+ version 1.5 to improve the scalability, availability, and manageability of COM+ applications and use COM+ features such as services without components (SWCs), bring your own transaction (BYOT), and Phase Zero notification in applications.

Prerequisites
Before attending this course, students must have:

Experience building assemblies by using Microsoft Visual Basic® .NET or Microsoft Visual C#®.

Experience handling database transactions in program code.
In addition, it is recommended, but not required,that students have completed:

Course 2349 : Programming with the Microsoft .NET Framework (Microsoft Visual C# .NET).

Microsoft CertifiedProfessional Exams
This course will help students prepare for theseMicrosoft Certified Professional exams:

Exam 70-310 : Developing XML Web Services and Server Components with Microsoft Visual Basic .NET and the Microsoft .NET Framework

Exam 70-320 : Developing XML Web Services and Server Components with Microsoft Visual C# .NET and the Microsoft .NET Framework
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Course Materials
The student kit includes a comprehensive workbook andother necessary materials for this class.The following software is provided inthe student kit:

Evaluation copy of Microsoft Windows® XP Professional for classroom use only

Course Outline
Module1: Introduction to COM+ Services
This module covers the evolution of applicationsfrom monolithic applications to client/server applications to component-basedapplications and the supporting application infrastructure that COM+ servicesprovides. The module also covers the COM+ runtime architecture and how it usessurrogates, context, and interception to provide services to components.
Lessons

History of Server-Based Applications

The COM+ Runtime Architecture
After completing this module, students will be ableto:

Describe the history of server-based applications.

Describe the COM+ runtime architecture.

Module2: Configuring Just-in-Time Activation and Synchronization
This module describes the attributes that you can assignto components and how to write a serviced component. This module also describeshow to access the object context from within code, JIT activation,synchronization, the relationship between synchronization and JIT activation,and how you can set JIT activation and synchronization for a component.
Lessons

The .NET Enterprise Services Programming Model

JIT Activation

Synchronization
Lab2: Configuring Just-in-Time Activation

Exercise 1: Creating a Serviced Component

Exercise 2: Using a Serviced Component
After completing this module, students will be ableto:

Use attributes to configure an assembly as a COM+ application.

Create components that use JIT activation.

Create components that are synchronized.

Module3: Using ADO.NET to Work With Data
This module describes how to run a query andretrieve a result set by using ADO.NET. The module also covers how to passparameters to a stored procedure, create typed DataSet objects, and useconstruction strings to specify connection information to establish aconnection to a data source.
Lessons

The ADO.NET Architecture

Accessing a SQL Server Database
Lab3: Using ADO.NET in a Serviced Component

Exercise 1: Creating a New Typed Dataset

Exercise 2: Updating the PurchasingSelect Component

Exercise 3: Updating the OrderProcessing Component

Exercise 4: Modifying the PlaceOrder Web Page
After completing this module, students will be ableto:

Describe the ADO.NET architecture and namespace classes.

Use the classes provided by the SqlClient namespace to retrieve and update data from a Microsoft SQL ServerTM 2000 database.

Module4: Transaction Services
This module describes transaction processing, howit is implemented in .NET Enterprise Services, and how you add attributes tocode to enable transaction processing.
Lessons

Introduction to Transaction Processing

.NET Enterprise Services Transactions
Lab4: Using Transaction Services

Exercise 1: Creating a Transactional Component

Exercise 2: Updating the OrderProcessing Component

Exercise 3: Updating the OrderApp Web Application

Exercise 4: Testing with the OrderApproval Client
After completing this module, students will be ableto:

Describe transaction processing and how it is implemented in .NET Enterprise Services.

Use the classes defined in the EnterpriseServices namespace to implement transaction processing.

Module5: Securing EnterpriseApplications
This module explains how to implement COM+role-based security in serviced components by using .NET Enterprise Services.
Lessons

Introduction to Application Security

Implementing COM+ Role-Based Security

Authentication and Impersonation
Lab5: Securing EnterpriseApplications

Exercise 1: Updating the PurchasingUpdate component

Exercise 2: Updating the OrderProcessing Component

Exercise 3: Updating the OrderApproval Client
After completing this module, students will be ableto:

Describe the security model offered by COM+ and how it is used with other security mechanisms.

Help protect your application by using COM+ role-based security.

Configure authentication and impersonation levels to balance security requirements with performance and flexibility requirements.

Module6: State Management
This module describes how to manage state in .NETEnterprise Services. It explains how to use the shared property manager (SPM)to store state, use ASP.NET applications to store application and sessionstate, and use ASP.NET caching.
Lessons

Introduction to State Management

Using the Shared Property Manager

Using ASP.NET to Store State
Lab6: Managing Component State

Exercise 1: Updating the OrderProcessing Component
After completing this module, students will be ableto:

Describe the need for state management and the techniques for implementing state management.

Maintain state by using the SPM.

Maintain state by using ASP.NET application and session state and ASP.NET caching.

Module7: Compensating Resource Managers
This module describes the architecture ofcompensating resource managers (CRMs) and how to implement CRMs.
Lessons

Introduction to Compensating Resource Managers

Implementing Compensating Resource Managers
Lab7: Implementing Compensating Resource Managers

Exercise 1: Creating the OrderDocCRM Component

Exercise 2: Updating the OrderProcessing Component
After completing this module, students will be ableto:

Describe the architecture of CRMs.

Implement a CRM.

Module8: Loosely Coupled Events
This module describes the architecture of LooselyCoupled Events (LCEs) and the LCE system. This module also describes how to configureand implement publishers, subscribers, and event classes.
Lessons

Introduction to Loosely Coupled Events

COM+ Events

Using Loosely Coupled Events
Lab8: Using Loosely Coupled Events

Exercise 1: Creating an Event Class

Exercise 2: Creating a Publisher

Exercise 3: Creating a Subscriber
After completing this module, students will be ableto:

Describe why LCEs are needed.

Describe the architecture of the LCE system.

Configure the LCE system programmatically and by using the Component Services administrative tool.

Implement publishers, subscribers, and event classes.

Module9: Queued Components
The following topics are covered in this module:
Lessons

Introduction to Queuing

Developing Queued Components

Queued Components and Transactions
Lab9: Creating a Queued Component

Exercise 1: Creating a Queued Component

Exercise 2: Calling the Queued Component
After completing this module, students will be able to :

List the advantages of using asynchronous messaging in a distributed systems environment.

Explain the purposes of the recorder, listener, and player in the Queued Components architecture.

List additional component design considerations introduced by asynchronous messaging.

Install and configure a queued component in a COM+ application.

Instantiate a queued component by using the queue and new monikers.

Module10: Debugging COM+ Applications
In this module, you will learn how to debugapplications that use .NET Enterprise Services.
Lessons

Debugging Tools

Common Debugging Scenarios
Lab10: Debugging COM+ Applications

Exercise 1: Debugging DCOM Problems

Exercise 2: Debugging Transaction Problems

Exercise 3: Debugging Security Problems
After completing this module, students will be ableto:

Debug COM+ applications by using tools such as the Microsoft Visual Studio® debugger.

Debug some common problems in COM+ applications.

Module11: Deploying and Administering COM+ Applications
This module introduces the COMAdmin objects andadditional techniques and tools for deploying and administering COM+applications. It describes the advantages and drawbacks of each technique sothat students can select the one most appropriate for your application.
Lessons

Deploying a COM+ Application Built Using .NET Enterprise Services

Using COMAdmin Objects in WSH Scripts
Lab11: Administering COM+ Applications

Exercise 1: Creating a COM+ Application

Exercise 2: Adding a Role to a COM+ Application

Exercise 3: Deleting a COM+ Application

Exercise 4 (Optional): Exposing a COM+ Application as an XML Web Service

Exercise 5 (Optional): Creating the OrderDispatch Service
After completing this module, students will be ableto:

Deploy a COM+ application.

Use Microsoft Windows Script Host (WSH) scripts to do common deployment and administrative tasks, such as creating an application or adding components to an application.

Module12: COM+ 1.5 Enhancements
This module explains how to use new COM+ version1.5 features that help you manage, scale, and maximize the uptime of your COM+application more efficiently. The module also explains how to use .NETEnterprise Services without having to implement serviced components.
Lessons

Scalability and Availability Enhancements

Manageability Enhancements

Other COM+ Features
After completing this module, students will be ableto:

Use COM+ 1.5 features to improve the scalability and availability of COM+ applications.

Use COM+ 1.5 features to improve the manageability of COM+ applications.

Use COM+ features such as SWC, BYOT, and Phase Zero notification in your applications.