Entity Framework With Mvc Pdf Download > urlin.us/4kc15

Entity Framework With Mvc Pdf Download


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In.the.following.tutorial.you'll.learn.how.to.perform.basic.CRUD.(create,.read,.update,.delete).operations..In..this..tutorial..you'll..work..with..LocalDB…Create..the..Data..Model…The.CourseID.property.is.a.foreign.key,.and.the.corresponding.navigation.property.is.Course..In..the..Models..folder,..create..Enrollment.cs..and..replace..the..existing..code..with..the..following..code:…There's.a.one-to-many.relationship.between.Student.and.Enrollment.entities,.and.there's.a.one-to-many.relationship.between.Course.and.Enrollment.entities..

The…image…shows…6.0.0…being…installed,…but…NuGet…will…install…the…latest…version…of…Entity…Framework…(excluding…pre-release…versions),…which…as…of…the…most…recent…update…to…the…tutorial…is…6.1.1….(When..you..don't..want..EF..to..use..the..initializer,..you..can..set..an..attribute..on..the..context..element:..disableDatabaseInitialization="true".)..For..more..information,..see..Entity..Framework..-..Config..File..Settings…You..see..the..home..page..with..the..main..menu…The..name..of..the..connection..string..(which..you'll..add..to..the..Web.config..file..later)..is..passed..in..to..the..constructor…The..main..class..that..coordinates..Entity..Framework..functionality..for..a..given..data..model..is..the..database..context..class…The…question…mark…after…the…Grade…type…declaration…indicates…that…the…Grade…property…is…nullable….Entity..property..names..are..used..for..column..names…namespace.ContosoUniversity.Models.{.public.enum.Grade.{.A,.B,.C,.D,.F.}.public.class.Enrollment.{.public.int.EnrollmentID.{.get;.set;.}.public.int.CourseID.{.get;.set;.}.public.int.StudentID.{.get;.set;.}.public.Grade?.Grade.{.get;.set;.}.public.virtual.Course.Course.{.get;.set;.}.public.virtual.Student.Student.{.get;.set;.}.}.}..Summary..

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