The Importance of Using Managed Code in .NET Development

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The material included throughout this page desribes the benefits and advantages of using managed code in .NET application development.

Because managed code runs in the Common Language Runtime (CLR), it provides services such as automatic memory management, platform-neutrality and cross-language integration. These features streamline deployment, improve performance and provide substantial improvement to application stability.

By contrast, unmanaged code (code written prior to the introduction of the .NET Framework) does not run inside the .NET environment and cannot use any .NET managed facilities.

Key features available to managed code applications include:

		Performance benefits gained from executing all code in the CLR. Calling unmanaged code decreases performance because additional security checks are required. Other performance advantages are available through judicious use of the Just-In-Time compiler and NGEN utility
		Automatic lifetime control of objects, including garbage collection and scalability features
		Ease of deployment and the vastly improved versioning facilities-the end of "DLL hell"
		Built-in security by using code access security and avoiding buffer overruns.

Click on the hyperlinks below to navigate to comprehensive descriptions accompanying the selected term:

• What is Managed Code and Why is it So Important?
• Advantages of Managed Code
• Performance
• Just-in-Time Compiler
• NGEN utility
• Maintaining a 100% managed code environment
• Automatic memory management
• Automatic lifetime control of objects
• Garbage collection
• Scalability features (Thread Pooling)
• Versioning
• Checks by the .NET runtime
• Cross-language integration
• Platform-neutrality
• Ease of deployment
• Security
• Code access security
• Avoiding buffer overruns
• Get Started with 100% Managed Data Providers from DataDirect
• Footnotes and References

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