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c# Programming Glossary: entitystate.modifiedHow to edit multiple models in a single Razor View http://stackoverflow.com/questions/10720756/how-to-edit-multiple-models-in-a-single-razor-view Album album if ModelState.IsValid db.Entry album .State EntityState.Modified db.SaveChanges return RedirectToAction Index ViewBag.GenreId..
http://stackoverflow.com/questions/12585664/an-object-with-the-same-key-already-exists-in-the-objectstatemanager-the-object _context.Set T .Attach entity entry.State EntityState.Modified From my AddressService.cs which goes back to my repository.. return address.address_pk When it hits the Attach and EntityState.Modified it pukes with the error An object with the same key already.. entity else entry.State EntityState.Modified This should attach entity As you can see the main issue is..
Soft Delete Entity Framework Code First http://stackoverflow.com/questions/12698793/soft-delete-entity-framework-code-first typeof ISoftDelete .IsAssignableFrom type item.State EntityState.Modified item.Entity.GetType .GetMethod Delete .Invoke item.Entity..
Entity Framework 5 Updating a Record http://stackoverflow.com/questions/15336248/entity-framework-5-updating-a-record update it Method 3 Attach updated record and set state to EntityState.Modified db.Users.Attach updatedUser db.Entry updatedUser .State EntityState.Modified.. db.Users.Attach updatedUser db.Entry updatedUser .State EntityState.Modified db.SaveChanges Pros 1 x query on database to update Cons Can't..
Entity Framework/SQL2008 - How to Automatically Update LastModified fields for Entities? http://stackoverflow.com/questions/3879011/entity-framework-sql2008-how-to-automatically-update-lastmodified-fields-for-e EntityState.Added EntityState.Modified where e.IsRelationship false e.Entity null typeof EntityBase..
Entity Framework Code First - Why can't I update complex properties this way? http://stackoverflow.com/questions/5506116/entity-framework-code-first-why-cant-i-update-complex-properties-this-way name EmployeeType e new employee type c.Entry p .State EntityState.Modified c.SaveChanges Oddly this changes FirstName and LastName but.. Now context should know about the change c.Entry p .State EntityState.Modified c.SaveChanges Other approach is exposing foreign key in your..
Update Row if it Exists Else Insert Logic with Entity Framework http://stackoverflow.com/questions/5557829/update-row-if-it-exists-else-insert-logic-with-entity-framework context.ObjectStateManager.ChangeObjectState myEntity EntityState.Modified else context.MyEntities.AddObject myEntity context.SaveChanges.. context.ObjectStateManager.ChangeObjectState myEntity EntityState.Modified else context.MyEntities.AddObject myEntity context.SaveChanges..
Entity Framework Multiple Object Contexts http://stackoverflow.com/questions/5693843/entity-framework-multiple-object-contexts EntityState.Added EntityState.Deleted EntityState.Modified EntityState.Unchanged .Select i i.Entity .OfType IEntityWithChangeTracker..
What causes .Attach() to be slow in EF4? http://stackoverflow.com/questions/5917478/what-causes-attach-to-be-slow-in-ef4 Context.GetIDbSet T .Attach entity Context.SetState entity EntityState.Modified I'm testing this out by passing in an enumeration of entities.. .Attach entity context.Entry entity .State System.Data.EntityState.Modified watch.Stop long time watch.ElapsedMilliseconds Test 1 Exactly.. out the line ... context.Entry entity .State System.Data.EntityState.Modified time 15 3 sec Test 3 Comment out the line ... context.Set MyClass..
Implementing Audit Log / Change History with MVC & Entity Framework http://stackoverflow.com/questions/6867459/implementing-audit-log-change-history-with-mvc-entity-framework modifiedEntities ObjectStateManager.GetObjectStateEntries EntityState.Modified foreach var entry in modifiedEntities var modifiedProps ObjectStateManager.GetObjectStateEntry.. modifiedEntities ObjectStateManager.GetObjectStateEntries EntityState.Modified foreach var entry in modifiedEntities var modifiedProps ObjectStateManager.GetObjectStateEntry..
http://stackoverflow.com/questions/9083709/the-relationship-between-the-two-objects-cannot-be-defined-because-they-are-atta currentUczestnik EntityState.Modified else context.Detach currentUczestnik.Consultant context.Consultants.Attach.. currentSzkolenie EntityState.Modified else context.Szkolenies.AddObject currentSzkolenie context.SaveChanges.. currentUczestnik EntityState.Modified else context.Detach currentUczestnik.Konsultanci context.Konsultancis.Attach..
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