XPObject.Oid Property

Gets or set a value which identifies the persistent object.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v18.2.dll

Declaration

C#

[Persistent("OID")]
[Key(AutoGenerate = true)]
public int Oid { get; set; }

VB.NET

<Persistent("OID")>
<Key(AutoGenerate:=True)>
Public Property Oid As Integer

Property Value

Type	Description
Int32	An integer value which identifies the object.

Related GitHub Examples

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

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#

Reporting_embedded-end-user-report-designer-demonstration-e20017/CS/Contacts/Controls/PersonListControl.cs#L59

int handle = gridViewPerson.GetDataSourceRowIndex(gridViewPerson.GetSelectedRows()[0]);
int oid = (collectionPersons[handle] as Person).Oid;
gridViewPerson.DeleteRow(handle);

XPO_how-to-reopen-a-broken-connection-when-using-a-postgresql-database-e3086/CS/Program.cs#L31

    uow.CommitChanges();
    return result.Oid;
}

XPO_how-to-use-the-containsoperator-for-objects-in-a-many-to-many-relationship-e988/CS/A2404/Form1.cs#L38

XPCollection<Role> roles = new XPCollection<Role>();
foreach (User user in users) user.Roles.Add(user.Oid % 4 == 0 ? roles[0] : roles[1]);
XpoDefault.Session.Save(users);

XPO_how-to-view-persistent-objects-in-the-xtragrid-and-edit-them-in-a-separate-window-e771/CS/FormEditOrder.cs#L21

else
    theOrder = unitOfWork.GetObjectByKey<Order>(sourceOrder.Oid);

how-to-bind-scheduler-to-xpo-e4731/CS/Models/XPAppointment.cs#L79

for (int i = 0; i < count; i++)
    resourceIds.Add(Resources[i].Oid);

VB.NET

Reporting_embedded-end-user-report-designer-demonstration-e20017/VB/Contacts/Main.vb#L65

Dim control As IControl = GetControl(t)
If control.TabType = TabType.Person AndAlso control.Id = person.Oid Then
    tabMain.SelectedTabPage = t

XPO_how-to-get-the-maximum-or-minimum-objects-value-from-a-collection-e468/VB/ConsoleApplication1/Program.vb#L22

End If
Dim maxValue As Integer = Convert.ToInt32(Session.DefaultSession.Evaluate(Of QuoteItem)(CriteriaOperator.Parse("Max(Sequence)"), New OperandProperty("Quote.Oid") = q.Oid))
Debug.Assert(maxValue = 4, "Error")

XPO_how-to-reopen-a-broken-connection-when-using-a-postgresql-database-e3086/VB/Program.vb#L28

    uow.CommitChanges()
    Return result.Oid
End Using

XPO_how-to-view-persistent-objects-in-the-xtragrid-and-edit-them-in-a-separate-window-e771/VB/FormEditOrder.vb#L22

Else
    theOrder = unitOfWork1.GetObjectByKey(Of Order)(sourceOrder.Oid)
End If

how-to-bind-scheduler-to-xpo-e4731/VB/Models/XPAppointment.vb#L85

For i As Integer = 0 To count - 1
    resourceIds.Add(Resources(i).Oid)
Next i