What’s New in the .NET Framework Version 2.0 – 01

The Microsoft .NET Framework version 2.0 extends the .NET Framework version 1.1 with new features, improvements to existing features, and enhancements to the documentation. This section provides information about some key additions and modifications. 

For more information about breaking changes that might affect your application, see Breaking Changes in the .NET Framework. 

64-Bit Platform Support

• enables the creation of applications that can run faster and take advantage of more memory than is available to 32-bit applications
• support for 64-bit applications enables users to build managed code libraries
• easily use unmanaged code libraries on 64-bit computers

For more information, see 64-bit Applications. 

Access Control List Support

• An access control list (ACL) is used to grant or revoke permission to access a resource on a computer
• New classes have been added to the .NET Framework that allow managed code to create and modify an ACL
• New members that use an ACL have been added to the I/O, registry, and threading classes.

 

ADO.NET

• New features in ADO.NET include support for user-defined types (UDT), asynchronous database operations, XML data types, large value types, snapshot isolation
• New attributes that allow applications to support multiple active result sets (MARS) with SQL Server 2005

For more information about these and other new ADO.NET features, see What’s New in ADO.NET. 

ASP.NET

• For Web page development, new controls make it easier to add commonly used functionality to dynamic Web pages
• New data controls make it possible to display and edit data on an ASP.NET Web page without writing code
• An improved code-behind model makes developing ASP.NET pages easier and more robust
• Caching features provide several new ways to cache pages, including the ability to build cache dependency on tables in a SQL Server database
• You can now customize Web sites and pages in a variety of ways
• Profile properties enable ASP.NET to track property values for individual users automatically
• Using Web Parts, you can create pages that users can customize in the browser
• Master pages allow you to create a consistent layout for all the pages in a site, and themes allow you to define a consistent look for controls and static text
• To help protect your sites, you can precompile a Web site to produce executable code from source files (both code files and the markup in .aspx pages). You can then deploy the resulting output, which does not include any source information, to a production server
• By default, controls render output that is compatible with XHTML 1.1 standards. You can use device filtering to specify different property values on the same control for different browsers.

For a more complete list of new features in ASP.NET, see What’s New in ASP.NET.