WebFeb 7, 2009 · using (Entities entities = new Entities ()) { var query = (from o in entities.Orders.Include ("Customers") where o.ShipCountry == "USA" select o); foreach (Orders order in query) Console.WriteLine (order.OrderID + " --- " + order.Customers.CompanyName); } Proposed as answer by BianchiAndrea.com … WebJan 2, 2024 · Detaching Entities In the event that we need to detach an entity from the persistence context, we can use the detach () method. We pass the object to be detached as the parameter to the method: em.detach (movie); Once the entity is detached from the persistence context, it'll be in the detached state. 5.4. Merging Entities
Methods to attach disconnected entities in Entity Framework 6
WebADO.NET Entity Framework is an ORM framework that allows us to work with different relational databases, such as Oracle, MYSQL, SQL Server, DB2, etc. It enables us to work with the data either as objects or entities. Apart from this, ADO.NET also helps create senior abstract object model on the top of ADO.NET components. http://duoduokou.com/csharp/17405615184629530814.html ciklum offices
Entity Framework 6 (7) vs NHibernate 4: взгляд со стороны DDD
WebFeb 13, 2024 · Detached. The Detached entity state indicates that the DbContext is not tracking the entity. Attach . Entity Framework Core Attach method allows us to attach an Detached entity to context and … Webprivate IEnumerable InsertOrUpdate (IEnumerable entities, Func idExpression) where T : class { foreach (var entity in entities) { var existingEntity = _context.Set ().Find (idExpression (entity)); if (existingEntity != null) { _context.Entry (existingEntity).CurrentValues.SetValues (entity); yield return existingEntity; } else { _context.Set … WebApr 8, 2011 · If you want to detach an object that is already attached to the context, set the state to Detached. If you want to load entities from the DB without attaching them at all to the context (no change tracking), use AsNoTracking . dhl location in westchester ny