OptimisticLockAttribute Class

Applies to EF Core business class properties. Specifies concurrency options.

Namespace: DevExpress.ExpressApp.DC

Assembly: DevExpress.ExpressApp.v25.2.dll

Declaration

C#

[AttributeUsage(AttributeTargets.Class, Inherited = true)]
public class OptimisticLockAttribute :
    Attribute

VB.NET

<AttributeUsage(AttributeTargets.Class, Inherited:=True)>
Public Class OptimisticLockAttribute
    Inherits Attribute

Remarks

Use OptimisticLockAttribute to specify concurrency control options in a business class of an EF Core-based XAF application.

The following code snippet uses OptimisticLockAttribute:

CS\MainDemo.Module\BusinessObjects\Department.cs

using Microsoft.EntityFrameworkCore;

namespace MainDemo.Module.BusinessObjects;

[OptimisticLock(OptimisticLockDetection = OptimisticLockDetection.AllFields,OptimisticLockHandling = OptimisticLockHandling.Reload)]
public class Department : BaseObject, ITreeNode {
    //...
}

For more information about optimistic concurrency control in EF Core-based XAF applications, refer to the following help topic: Optimistic Locking (Concurrency Control in EF Core).

Inheritance

Object

Attribute

OptimisticLockAttribute