https://skysigal.com/ 2026-05-08T02:56:55+00:00 https://skysigal.com/ https://skysigal.com/lib/tpl/bootstrap3/images/favicon.ico text/html 2023-11-04T01:42:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://skysigal.com/it/ad/ef/concepts/associations?rev=1699062153&do=diff IT:AD:EF:Concepts:Associations * (UP) concepts index ---------- * Associations define Endpoints, and their Multiplicitity. * Important: but Associations do not define a Relationship completly. </panel> ## Resources ## See Pg 38 text/html 2023-11-04T01:42:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://skysigal.com/it/ad/ef/concepts/configuration?rev=1699062152&do=diff IT:AD:EF:Concepts:Configuration * (UP) concepts index ---------- Summary See: App.Config Settings text/html 2023-11-04T01:42:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://skysigal.com/it/ad/ef/concepts/dbcontext_versus_objectcontext?rev=1699062154&do=diff IT:AD:EF:Concepts:DbContext versus ObjectContext * (UP) concepts index * EF4 generate a context that derived from ObjectContext and entity classes that derived from EntityObject. * Starting with EF4.1, MS recommends swapping code generation template that generates a context deriving from DbContext and POCO entity classes. text/html 2023-11-04T22:57:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://skysigal.com/it/ad/ef/concepts/edmx_file?rev=1699138660&do=diff IT:AD:EF:Concepts:EDMX File * (UP) concepts index ---------- *.EDMX File * EDM stands for Entity Data Model ...using Xml... * based on Entity Relationship Modeling (concept since 1975) * *.EDMX file is one file in design time, split in run time to 3 files: * text/html 2023-11-04T22:57:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://skysigal.com/it/ad/ef/concepts/home?rev=1699138660&do=diff IT:AD:EF:Concepts * (UP) concepts index ---------- Errata for the Moment * Object Services * Manages EntityObject objects. text/html 2023-11-04T01:42:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://skysigal.com/it/ad/ef/concepts/state_tracking?rev=1699062155&do=diff IT:AD:EF:Concepts:State Tracking * (UP) concepts index ---------- Summary It's really not that complicated: Every tracked (attached) object is shadowed with an EntityStateEntry that as it loads, copy's the entities values into an OriginalValues collection, and sets its State as