Chapter 10. .NET Serviced Components

.NET is the new platform from Microsoft used to build component-based applications, from standalone desktop applications to web-based applications and services. The platform will be available on forthcoming Microsoft operating systems and supported by the next release of Visual Studio, called Visual Studio.NET. In addition to providing a modern object-oriented framework for building distributed applications, .NET also provides several specialized application frameworks. These frameworks include Windows Forms for rich Windows clients, ADO.NET for data access, and ASP.NET for dynamic web applications. Another important framework is Web Services, which is used to expose and consume remote objects using the emerging SOAP and other XML-based protocols.

.NET is Microsoft’s next-generation component technology. It is designed from the ground up to simplify component development and deployment, as well as to support interoperability between programming languages.

Despite its innovations and modern design, .NET is essentially a component technology. Like COM, .NET provides you with the means to rapidly build binary components, and Microsoft intends for .NET to eventually succeed COM. Like COM, .NET does not provide its own component services. Instead, .NET relies on COM+ to provide it with instance management, transactions, activity-based synchronization, granular role-based security, disconnected asynchronous queued components, and loosely coupled events. ...

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