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This section provides information on how to access data using ADO.NET, Language Integrated Query (LINQ), WCF Data Services, and XML.
In This Section
- ADO.NET 
 Describes the ADO.NET architecture and how to use the ADO.NET classes to manage application data and interact with data sources, including Microsoft SQL Server, OLE DB data sources, and XML.
- LINQ Portal 
 Provides links to relevant documentation for Language Integrated Query (LINQ).
- WCF Data Services 
 Provides information about how to use WCF Data Services to deploy data services on the Web or an intranet.
- Transaction Processing 
 Discusses the .NET Framework support for transactions.
- XML Documents and Data 
 Provides an overview to a comprehensive and integrated set of classes that work with XML documents and data in the .NET Framework.
Related Sections
- Microsoft SQL Server Modeling Technologies 
 Describes a set of technologies that enable rapid and customized data-based application design and development.
- Core Development Technologies 
 Provides links to information about standard development tasks in the .NET Framework.
- Security in the .NET Framework 
 Provides links to more information on the classes and services in the common language runtime and the .NET Framework that facilitate secure application development.