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.NET Framework 3.5 builds incrementally on the new features added in .NET Framework 3.0. For example, feature sets in Windows Workflow Foundation (WF), Windows Communication Foundation (WCF), Windows Presentation Foundation (WPF) and Windows CardSpace. In addition, .NET Framework 3.5 contains a number of new features in several technology areas which have been added as new assemblies to avoid breaking changes. They include the following:

- Deep integration of Language Integrated Query (LINQ) and data awareness. This new feature will let you write code written in LINQ-enabled languages to filter, enumerate, and create projections of several types of SQL data, collections, XML, and DataSets by using the same syntax.
- ASP.NET AJAX lets you create more efficient, more interactive, and highly-personalized Web experiences that work across all the most popular browsers.
- New Web protocol support for building WCF services including AJAX, JSON, REST, POX, RSS, ATOM, and several new WS-* standards.
- Full tooling support in Visual Studio 2008 for WF, WCF, and WPF, including the new workflow-enabled services technology.
- New classes in .NET Framework 3.5 base class library (BCL) that address many common customer requests.

IMPORTANT:
* If you have installed earlier pre-release versions of .NET Framework 3.5, then you must uninstall them prior to running this installation by using Add or Remove Programs.

For more details on this release of the framework, see the following references:
http://msdn2.microsoft.com/en-us/vstudio/aa700830.aspx
http://msdn2.microsoft.com/en-us/netframework/default.aspx

Download : Microsoft .NET Framework 3.5

The Microsoft .NET Framework 3.5 Beta 1 is a preview release of the latest version of the .NET Framework. Many ISV’s, enterprises and Microsoft product teams are successfully building on the new features Windows Workflow Foundation (WF), Windows Communication Foundation (WCF), Windows Presentation Foundation (WPF) and Windows CardSpace in the .NET Framework 3.0. Microsoft plans to continue to invest in the .NET Framework developer platform and in support of existing users the .NET Framework 3.5 has a minimal number of breaking changes. So that existing applications built for .NET Framework 2.0 or .NET Framework 3.0 should continue to run without requiring changes. The .NET Framework 3.5 adds new features in several major technology areas; including:

- Deep integration of Language Integrated Query (LINQ) and data awareness
- ASP.NET AJAX for quickly creating more efficient, more interactive and highly-personalized Web experiences that work across all the most popular browsers
- New web protocol support for building WCF services including AJAX, JSON, REST, POX, RSS, ATOM and several new WS-* standards
- Full tooling support for WF, WCF and WPF including the new workflow-enabled services technology
- New classes in the base class library (BCL) for the .NET Framework 3.5 address the most common customer requests.

.NET Framework 3.5 is planned to release at the end of 2007 and will ship with Visual Studio code name ”Orcas” and will also continue to be available for separate download from MSDN.

Download : Microsoft .NET Framework 3.5 Beta | MoreInfo

The Microsoft .NET Framework 3.5 Beta 1 is a preview release of the latest version of the .NET Framework. The Microsoft .NET Framework 3.5 is planned to release at the end of 2007 and will ship with Visual Studio code name ”Orcas” and will also continue to be available for separate download from MSDN. Many ISV’s, enterprises and Microsoft product teams are successfully building on the new features Windows Workflow Foundation (WF), Windows Communication Foundation (WCF), Windows Presentation Foundation (WPF) and Windows CardSpace in the .NET Framework 3.0. Microsoft plans to continue to invest in the .NET Framework developer platform and in support of existing users the .NET Framework 3.5 has a minimal number of breaking changes. So that existing applications built for .NET Framework 2.0 or .NET Framework 3.0 should continue to run without requiring changes.

Changelog:

• Deep integration of Language Integrated Query (LINQ) and data awareness
• ASP.NET AJAX for quickly creating more efficient, more interactive and highly-personalized Web experiences that work across all the most popular browsers
• New web protocol support for building WCF services including AJAX, JSON, REST, POX, RSS, ATOM and several new WS-* standards
• Full tooling support for WF, WCF and WPF including the new workflow-enabled services technology
• New classes in the base class library (BCL) for the .NET Framework 3.5 address the most common customer requests.

Download: Microsoft .NET Framework 3.5 Beta 1 | MoreInfo

InforWorld’s half-hour podcast last night is an interview with Bill Gates, following a morning of keynotes at the PDC.Topics of discussion include:

• The relationship of Office 12 to Vista and .NET
• How the .NET CLR and runtime will become widespread
• High-level semantics: CLR objects or XML?
• LINQ, or language-integrated query, Anders Hejlsberg’s long-term ambition now coming to fruition
• The RSS data web, notification, SOAP/REST synergy, enterprise syndication
• WPF/E, aka Windows Presentation Foundation/Everywhere, aka portable Avalon
• Why, given the downleveling of the original Longhorn "pillars" to XP, enterprises would still want to upgrade to Vista.

  Listen to podcast | Read all the Interview transcript

  Source : InforWorld