Writing Clean & efficient data access code with ADO.NET ENTITY FRAMEWORK

Writing Clean & efficient data access code withADO.NET ENTITY FRAMEWORK

Niraj BhattMVP | ASP.NEThttp://nirajrules.wordpress.com | [email protected]

I am unhappy …

Entity Framework???Object Relational Mapper

Bridges the impedance mismatch between conceptual (object) & storage (relational) world.

STORAGECONCEPTUAL

More than O/R mapper

OSLO

SQL SERVER REPORTING SERVICES

SQL SERVER ANALYSIS SERVICES

ADO.NET DATA SERVICES

AZURE

Entity Framework Architecture

Creating EDM

Required Software for Demos: VS.NET 2008 SP1, .NET 3.5 SP1, SQL SERVER 2005 SP2

DEMO

Exploring EDM

Querying via EntityClient

Required Software for Demos: VS.NET 2008 SP1, .NET 3.5 SP1, SQL SERVER 2005 SP2

DEMO

Querying via ObjectQuery

Required Software for Demos: VS.NET 2008 SP1, .NET 3.5 SP1, SQL SERVER 2005 SP2

DEMO

Querying via LINQ To Entities

Required Software for Demos: VS.NET 2008 SP1, .NET 3.5 SP1, SQL SERVER 2005 SP2

DEMO

Tracking with ObjectStateManager

Required Software for Demos: VS.NET 2008 SP1, .NET 3.5 SP1, SQL SERVER 2005 SP2

DEMO

CHANGING GEAR

Moving to Advanced Concepts

Tracing, Concurrency, Lazy Loading, Inheritance

Required Software for Demos: VS.NET 2008 SP1, .NET 3.5 SP1, SQL SERVER 2005 SP2

DEMO

What you can expect in V2?Better integration with rest of .NET stack

WPF, WCF, WF, …PI Support (Persistence Ignorance)N-Tier SupportFlip switch for Lazy LoadingTable Value FunctionsImproved Tracing…

ReferencesTSQL vs. ESQLhttp://msdn.microsoft.com/en-us/library/bb738573.aspx

EF Overviewhttp://www.scip.be/index.php?Page=ArticlesNET12#EntitySQL

eSqlBlast http://code.msdn.microsoft.com/esql/Release/ProjectReleases.aspx?ReleaseId=991

ReferencesEF N-Tier Support Discussionhttp://blogs.msdn.com/efdesign/archive/2008/11/20/n-tier-improvements-for-entity-framework.aspx

EF Performancehttp://blogs.msdn.com/adonet/archive/2008/02/04/exploring-the-performance-of-the-ado-net-entity-framework-part-1.aspx

http://blogs.msdn.com/adonet/archive/2008/06/20/how-to-use-a-t4-template-for-view-generation.aspx

ReferencesEF V2http://mschnlnine.vo.llnwd.net/d1/pdc08/WMV-HQ/TL20.wmv

EF Automatic Lazy Loading http://www.singingeels.com/Articles/Entity_Framework_and_Lazy_Loading.aspx

EF 3rd Party Providershttp://www.sybase.com/detail?id=1057559

http://pgfoundry.org/frs/shownotes.php?release_id=1230 http://sqlite.phxsoftware.com/ http://devart.com/news/2008/directs475.html

Reference Blogshttp://blogs.msdn.com/jkowalski/default.aspxhttp://johnpapa.net/http://www.thedatafarm.com/blog/http://blogs.msdn.com/dsimmons/default.aspxhttp://blogs.msdn.com/adonet/default.aspx

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