EFCoreObjectSpaceProvider<TDbContext>.OptimisticLockDetection Property

Specifies whether XAF identifies conflicting changes by using just the object’s concurrency token or by assessing all object properties.

Namespace: DevExpress.ExpressApp.EFCore

Assembly: DevExpress.ExpressApp.EFCore.v25.2.dll

NuGet Package: DevExpress.ExpressApp.EFCore

Declaration

C#

[DefaultValue(OptimisticLockDetection.AllFields)]
public OptimisticLockDetection OptimisticLockDetection { get; set; }

VB.NET

<DefaultValue(OptimisticLockDetection.AllFields)>
Public Property OptimisticLockDetection As OptimisticLockDetection

Property Value

Type	Default	Description
OptimisticLockDetection	AllFields	A conflict detection strategy.

Available values:

Name	Description
Default	XAF uses the conflict detection 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.
OptimisticLockField	XAF checks the object’s concurrency token to determine whether the object is modified.
AllFields	XAF checks the object’s concurrency token and all object properties to determine whether the object is modified.

Remarks

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