¡@
c# Programming Glossary: objectstatemanagerInvalidOperationException when calling SaveChanges in .NET Entity framework http://stackoverflow.com/questions/1008582/invalidoperationexception-when-calling-savechanges-in-net-entity-framework object's key values conflict with another object in the ObjectStateManager. Make sure that the key values are unique before calling AcceptChanges...
http://stackoverflow.com/questions/12585664/an-object-with-the-same-key-already-exists-in-the-objectstatemanager-the-object object with the same key already exists in the ObjectStateManager. The ObjectStateManager cannot track multiple objects with the.. the same key already exists in the ObjectStateManager. The ObjectStateManager cannot track multiple objects with the same key Using EF5 with.. error An object with the same key already exists in the ObjectStateManager. The ObjectStateManager cannot track multiple objects with the..
Entity framework, problems updating related objects http://stackoverflow.com/questions/13236116/entity-framework-problems-updating-related-objects the same An object with the same key already exists in the ObjectStateManager. The ObjectStateManager cannot track multiple objects with the.. the same key already exists in the ObjectStateManager. The ObjectStateManager cannot track multiple objects with the same key c# entity framework..
Autonumber with Entity Framework http://stackoverflow.com/questions/3011764/autonumber-with-entity-framework object's key values conflict with another object in the ObjectStateManager. Make sure that the key values are unique before calling AcceptChanges...
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
what is the most reasonable way to find out if entity is attached to dbContext or not? http://stackoverflow.com/questions/6033390/what-is-the-most-reasonable-way-to-find-out-if-entity-is-attached-to-dbcontext-o An object with the same key already exists in the ObjectStateManager. The ObjectStateManager cannot track multiple objects with the.. the same key already exists in the ObjectStateManager. The ObjectStateManager cannot track multiple objects with the same key This is expected.. This is expected behaviour. But i would like to know how ObjectStateManager knows that I would like to do this check by myself before c#..
Implementing Audit Log / Change History with MVC & Entity Framework http://stackoverflow.com/questions/6867459/implementing-audit-log-change-history-with-mvc-entity-framework SaveOptions options DetectChanges var modifiedEntities ObjectStateManager.GetObjectStateEntries EntityState.Modified foreach var entry.. foreach var entry in modifiedEntities var modifiedProps ObjectStateManager.GetObjectStateEntry entry .GetModifiedProperties This line throws.. .GetModifiedProperties This line throws exception The ObjectStateManager does not contain an ObjectStateEntry with a reference to an..
Entity Framework - Using Transactions or SaveChanges(false) and AcceptAllChanges()? http://stackoverflow.com/questions/815586/entity-framework-using-transactions-or-savechangesfalse-and-acceptallchanges can do it again if necessary or you can interrogate the ObjectStateManager if you want. This means if the transaction actually aborts you.. by either re trying or logging state of each contexts ObjectStateManager somewhere. See my blog post for more. share improve this answer..
Strongly-Typed ASP.NET MVC with Entity Framework http://stackoverflow.com/questions/899734/strongly-typed-asp-net-mvc-with-entity-framework share improve this question You need to get the ObjectStateManager from your ObjectContext. With the ObjectStateManager you can.. the ObjectStateManager from your ObjectContext. With the ObjectStateManager you can explicitly set the state for your object without needing.. id SomeType Model db.AttachTo Model.GetType .Name Model ObjectStateManager stateMgr db.ObjectStateManager ObjectStateEntry stateEntry stateMgr.GetObjectStateEntry..
Binary to Decimal Conversion - Formula? http://stackoverflow.com/questions/9742777/binary-to-decimal-conversion-formula
|