WebJun 3, 2016 · using (var myContext = new Context ()) { var city = myContext.Cities.FirstOrDefault (x => x.city == "foo"); Console.WriteLine (city.country.country); // if lazy loading is enabled, `city.country` will not be null after this } Notice that I'm accesing city.country within the using block. WebAug 9, 2014 · It would really be helpful to get a reference to the DbContext this Entity belongs to, at this point in the call stack. I.e. to see what the state is of this Entity is (Unchanged, Modified, etc). var db_context = DbContextHelpers.GetDbContext (entity); …
c# - Attaching and detaching entities from context correctly in …
WebOct 13, 2024 · Since our data context has been transformed into classes, we can use the handy LINQ syntax, applied to the entities of the daughters TECHNETEntities data context. The query just mentions it, as follows: using (TECHNETEntities db = new TECHNETEntities ()) { Articoli art = db.Articoli.Where ( (x) => x.CodArt == "ART001").FirstOrDefault (); WebDec 3, 2024 · In this Entity Framework Tutorials Course using C#, I am going to discuss all the concepts of Entity Framework with Real-Time Examples Here in this Entity Framework Tutorials article series, we will start from the very basics, and as we progress we will cover all the intermediate and advanced features of Entity Framework as well. third team all pro nfl
c# - Get DbContext from Entity in Entity Framework
WebJan 17, 2024 · Чуть больше года при моём участии состоялся следующий "диалог": .Net App : Эй, Entity Framework, будь любезен дай мне много данных! Entity Framework … WebMar 21, 2024 · Entity Framework SOLID Principles C#.NET Logical Programs Data BasesMenu Toggle SQL Server Tutorials MySQL Tutorials Oracle Tutorials MongoDB Tutorials Oracle DBA Tutorials SQL Server DBA Tutorials JavaMenu Toggle Core Java Tutorials JDBC Tutorials Java Servlets Tutorials JSP Tutorials Spring Framework … WebMay 13, 2014 · As an aside it's possible use bitwise flags to do var objectStateEntries = this._context.ObjectStateManager .GetObjectStateEntries (EntityState.Added EntityState.Deleted EntityState.Modified EntityState.Unchanged); to detach all the attached objects – Crab Bucket Nov 18, 2011 at 13:11 third temple construction in jerusalem