EFCoreObjectSpaceProvider<TDbContext>.OptimisticLockHandling Property

Specifies how XAF resolves collisions: merges changes automatically or offers conflict resolution options.

Namespace: DevExpress.ExpressApp.EFCore

Assembly: DevExpress.ExpressApp.EFCore.v25.1.dll

NuGet Package: DevExpress.ExpressApp.EFCore

Declaration

C#

[DefaultValue(OptimisticLockHandling.Merge)]
public OptimisticLockHandling OptimisticLockHandling { get; set; }

VB.NET

<DefaultValue(OptimisticLockHandling.Merge)>
Public Property OptimisticLockHandling As OptimisticLockHandling

Property Value

Type	Default	Description
OptimisticLockHandling	Merge	A conflict handling strategy.

Available values:

Name	Description
Default	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.

Remarks

For detailed information, refer to the following topic: Optimistic Locking (Concurrency Control in EF Core).