OptimisticLockHandling Enum

Contains values that specify conflict resolution strategies used by the optimistic locking mechanism.

Namespace : DevExpress.ExpressApp.DC

Assembly : DevExpress.ExpressApp.v25.2.dll

NuGet Package : DevExpress.ExpressApp

Declaration

• C#
• VB.NET

public enum OptimisticLockHandling

Public Enum OptimisticLockHandling

Members

XAF uses the conflict resolution strategy from the previous hierarchy level. For example, if you specified the Default value for a class, XAF takes the option value from the Object Space.

| | None |

XAF does not handle conflict resolution automatically. The user can choose the resolution strategy in a dialog window.

| | Merge |

XAF merges changes automatically. If there are conflicts, XAF displays a pop-up window with resolution options.

| | Ignore |

XAF ignores database changes and writes local values to the database.

| | Reload |

XAF ignores local changes and overwrites them with database values.

|

Related API Members

The following properties accept/return OptimisticLockHandling values:

• EFCoreObjectSpace.OptimisticLockHandling
• EFCoreObjectSpaceProvider<TDbContext>.OptimisticLockHandling
• EFCoreObjectSpaceProviderOptionsBuilder.OptimisticLockHandling
• OptimisticLockAttribute.OptimisticLockHandling

Remarks

For more information on how to specify this option, refer to the following help topic: Configure Conflict Detection and Handling Options.

For more information on how OptimisticLockHandling and OptimisticLockDetection work together, refer to the following section: Collision Detection and Handling Behaviors.

See Also

Optimistic Locking (Concurrency Control in EF Core)

DevExpress.ExpressApp.DC Namespace