Framework version 4.0 download

NET Framework 4. NET Framework 4, Microsoft. The offline package can be used in situations where the web installer cannot be used due to lack of internet connectivity. Warning: This site requires the use of scripts, which your browser does not currently allow. See how to enable scripts. Bing Wallpaper Explore the world one photo at a time with a new background each day Download now.

You can use the Thread. Yield method to have the calling thread yield execution to another thread that is ready to run on the current processor. The new Microsoft. RegistryOptions enumeration lets you specify a volatile registry key that does not persist after the computer restarts.

Registry keys are no longer restricted to a maximum length of characters. Back to top Parallel Computing The. Back to top Networking Networking improvements include the following: Security improvements for Windows authentication in several classes, including System. HttpWebRequest, System. HttpListener, System. SmtpClient, System. SslStream, and System. Extended protection is available for applications on Windows 7 and Windows Server R2.

New networking performance counters that provide information about HttpWebRequest objects. For more information, see Networking Performance Counters. In the System. HttpWebRequest class, support for using large byte range headers bit ranges with new overloads for the AddRange method. New properties on the System. SmtpClient and related classes. Improved support for mail headers in the System. MailMessage class.

Support for a null cipher for use in encryption. You can specify the encryption policy by using the System. ServicePointManager class and the EncryptionPolicy property. Constructors for the System. SslStream class now take a System. EncryptionPolicy class as a parameter. Credentials for password-based authentication schemes such as basic, digest, NTLM, and Kerberos authentication in the System.

NetworkCredential class. To improved security, passwords may now be treated as System. SecureString instances rather than System. String instances. Ability to specify how a URI with percent-encoded values is converted and normalized in the System. Uri and System. HttpListener classes. For more information, see the System. HttpListenerElement, System. SchemeSettingElement, System.

SchemeSettingElementCollection, and System. UriSection classes. NET version 4 introduces new features in the following areas: Core services, including a new API that lets you extend caching, support for compression for session-state data, and a new application preload manager autostart feature. Web Forms, including more integrated support for ASP. NET routing, enhanced support for Web standards, updated browser support, new features for data controls, and new features for view state management.

Web Forms controls, including a new Chart control. MVC, including new helper methods for views, support for partitioned MVC applications, and asynchronous controllers. Dynamic Data, including support for existing Web applications, support for many-to-many relationships and inheritance, new field templates and attributes, and enhanced data filtering. Microsoft Ajax, including additional support for client-based Ajax applications in the Microsoft Ajax Library.

Deployment, including new tools for automating typical deployment tasks. Multi-targeting, including better filtering for features that are not available in the target version of the. Client Windows Presentation Foundation In the. Back to top Data ADO. This includes the following: Automatic validation that is based on constraints that are defined in the data model. The ability to easily change the markup that is generated for fields in the GridView and DetailsView controls by using field templates that are part of a Dynamic Data project.

Counting entities in an entity set. Server-driven paging. Query projections. Custom data service providers. Advanced embedding details, examples, and help! Publication date Topics. Net Framework 4. Key focuses for this release are: Parallel Extensions to improve support for parallel computing , which target multi-core or distributed systems.

New Visual Basic. NET and C language features, such as implicit line continuations, dynamic dispatch , named parameters , and optional parameters Support for Code Contracts [53] Inclusion of new types to work with arbitrary-precision arithmetic System.

BigInteger [54] and complex numbers System. Software Free Download Soft You can skip this in seconds Click here to continue. Home Windows Developer Tools. NET Microsoft. NET Framework 4. NET Framework is Microsoft's comprehensive and consistent programming model for building applications that have visually stunning user experiences, seamless and secure communication, and the ability to model a range of business processes. Last update 12 Jun. User rating:. If you need help or have a question, contact us Would you like to update this product info?

Is there any feedback you would like to provide?