BaseObject.OnCreated() Method

Partially implements the IXafEntityObject interface in the BaseObject class.

Namespace: DevExpress.Persistent.BaseImpl.EF

Assembly: DevExpress.Persistent.BaseImpl.EFCore.v25.2.dll

NuGet Package: DevExpress.Persistent.BaseImpl.EFCore

Declaration

C#

public virtual void OnCreated()

VB.NET

Public Overridable Sub OnCreated

Remarks

using DevExpress.Data.Filtering;
using DevExpress.Persistent.Base;
using DevExpress.Persistent.BaseImpl.EF;

namespace YourSolutionName.Module.BusinessObjects;

[DefaultClassOptions]
public class MyPersistentClass : BaseObject {
    public virtual string Name { get; set; }
    public virtual bool IsNew { get; set; }
    public virtual ApplicationUser CreatedBy { get; set; }
    public virtual ApplicationUser LastModifiedBy { get; set; }
    ApplicationUser GetCurrentUser() {
        return ObjectSpace.FindObject<ApplicationUser>(CriteriaOperator.Parse("ID=CurrentUserId()"));
    }
    public override void OnCreated() {
        CreatedBy = GetCurrentUser();
        IsNew = true;
    }
    public override void OnLoaded() {
        IsNew = false;
    }
    public override void OnSaving() {
        if(ObjectSpace != null) {
            LastModifiedBy = GetCurrentUser();
        }
        IsNew = false;
    }
}

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the OnCreated() method.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

xaf-how-to-create-custom-event-and-resource-classes-for-scheduler/CS/EFCore/CustomEventsAndResources.Module/BusinessObjects/ApplicationUser.cs#L53

public override void OnCreated() {
    base.OnCreated();
    Color = Color.White;

XAF_how-to-calculate-a-master-property-based-on-values-from-a-detail-collection/CS/EFCore/MasterPropertiesEF/MasterPropertiesEF.Module/BusinessObjects/Order.cs#L27

public override void OnCreated() {
    base.OnCreated();
    ((INotifyPropertyChanged)this).PropertyChanged += Order_PropertyChanged;

Implements

OnCreated()