Microsoft .NET Framework 3.5 Service Pack 1

Microsoft’s .NET Framework 3.5 Service Pack 1 is a full cumulative update for all other its previous versions, which contains many new features building incrementally upon .NET Framework 2.0, 3.0, 3.5, and includes cumulative servicing updates to the .NET Framework 2.0 and .NET Framework 3.0 sub components.

.NET Framework 3.5 SP1 System Requirements:

• Supported Operating Systems: Windows Server 2003, Windows Server 2008, Windows Vista, Windows XP

• Processor: 400 MHz Pentium processor or equivalent (Minimum), 1GHz Pentium processor or equivalent (Recommended)
• RAM: 96 MB (Minimum), 256 MB (Recommended)
• Hard Disk Space: Up to 500 MB of available space may be required
• CD or DVD Drive: Not required/important
• Display: 800 x 600 – 256 colors (Minimum), 1024 x 768 high color – 32-bit (Recommended)

Direct Download Locations:

Microsoft’s Official Download Link – is the .NET Framework 3.5 with SP1 update

.NET Framework 3.5 sp1 download link – bootstrap version

Overview of .NET Framework 3.5 Service Pack 1,

ASP.NET Dynamic Data, which provides a rich scaffolding framework that enables rapid data driven development without writing code, and a new addition to ASP.NET AJAX that provides support for managing browser history (back button support).

Performance improvements to WPF (Windows Presentation Foundation), including a faster startup time and improved performance for Bitmap effects. Additional functionality for WPF includes better support for line of business applications, native splash screen support, DirectX pixel shader support, and the new WebBrowser control.

ClickOnce application publishers can decide to opt out of signing and hashing , The ClickOnce applications that display a customized branding, and the error dialog boxes support links to application-specific support sites on the Web.

Core improvements to the CLR (common language runtime) that include better layout of .NET Framework native images, opting out of strong-name verification for fully trusted assemblies, improved application startup performance, better generated code that improves end-to-end application execution time, and opting managed code to run in ASLR (Address Space Layout Randomization) mode if supported by the operating system. In addition to that, managed applications that are opened from network shares have the same behavior as native applications by running with full trust.

The Entity Framework is an evolution of the existing suite of ADO.NET data access technologies. The Entity Framework enables developers to program against relational databases in according to application-specific domain models instead of the underlying database models.

The .NET Framework Data Provider for SQL Server adds new support for file stream and sparse column capabilities in SQL Server 2008.

Windows Communication Foundation now makes the DataContract Serializer easier to use by providing improved interoperability support, enhancing the debugging experience in partial trust scenarios, and extending syndication protocol support for wider usage in Web 2.0 applications.

LINQ to SQL includes new support for the new date and file stream capabilities in SQL Server 2008.

The ADO.NET Data Services Framework consists of a combination of patterns and libraries, which enable data to be exposed as a flexible REST (Representational State Transfer)-based data service that can be consumed by Web clients in a corporate network or across the Internet.

The ADO.NET Data Services Framework makes data service creation over any data source.  For client applications that are running on Microsoft platforms, a set of client libraries are provided to make interaction with data services simple.