Radhakrishnan Perumal

What is Entity Framework? The Microsoft ADO.NET Entity Framework is an Object/Relational Mapping (ORM) framework that enables developers to work with relational data as domain-specific objects, eliminating the need for most of the data access plumbing code that developers usually need to write. Using the Entity Framework, developers issue queries using LINQ, then retrieve and manipulate data as strongly typed objects.  The Entity Framework’s ORM implementation provides services like change tracking, identity resolution, lazy loading, and query translation so that developers can focus on their application-specific business logic rather than the data access fundamentals. To simply say it: Entity framework is an Object/Relational Mapping (O/RM) framework. It is an enhancement to ADO.NET that gives developers an automated mechanism for accessing & storing the data in database and working with the results in addition to DataReader and DataSet. Now the questio...

Authentication Microsoft says that SharePoint 2013 Preview has been improved to make claims-based authentication easier to use. It extends support for application authentication via Open Authorization 2.0 (OAuth) as well as for server-to-server authentication. Users can grant apps in the SharePoint store and catalog access to certain resources and data. Server-to-server security tokens that contain user identity claims enable cross-server authenticated access between, say, SharePoint 2013 Preview and Exchange 2013 Preview. Business Connectivity Services There's been a bunch of new features added, including these: Support for OData Business Data Connectivity (BDC) connections, in addition to connections for WCF, SQL Server, and .NET assemblies. Automatic generation via Visual Studio 2010 of BDC models for OData data sources. An event listener with an event subscriber on the SharePoint 2013 Preview side, to enable SharePoint users to receive notifications of cha...