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1、INACTIONStefanoMostardaMarcoDeSanctisDanieleBochicchioFOREWORDBYNOAMBEN-AMIMANNINGEntityFramework4inActionEntityFramework4inActionSTEFANOMOSTARDAMARCODESANCTISDANIELEBOCHICCHIOMANNINGShelterIslandForonlineinformationandorderingofthisandotherManningbooks,pleasevisitwww.m
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5、exertourbesteffortstothatend.Recognizingalsoourresponsibilitytoconservetheresourcesofourplanet,Manningbooksareprintedonpaperthatisatleast15percentrecycledandprocessedwithouttheuseofelementalchlorine.ManningPublicationsCo.Developmenteditor:SebastianStirling20BaldwinRoadC
6、opyeditor:AndyCarrollPOBox261Typesetter:DottieMarsicoShelterIsland,NY11964Coverdesigner:MarijaTudorISBN978-1-935182-18-4PrintedintheUnitedStatesofAmerica12345678910–MAL–161514131211briefcontentsPART1REDEFININGYOURDATA-ACCESSSTRATEGY....................11■Dataaccessreloa
7、ded:EntityFramework32■GettingstartedwithEntityFramework33PART2GETTINGSTARTEDWITHENTITYFRAMEWORK.............613■Queryingtheobjectmodel:thebasics634■QueryingwithLINQtoEntities805■Domainmodelmapping1196■Understandingtheentitylifecycle1517■Persistingobjectsintothedatabase1
8、768■Handlingconcurrencyandtransactions203PART3MASTERINGENTITYFRAMEWORK...............................2259■Anal