DBColumn.IsIdentity Field

true if the value of the column increments automatically; otherwise, false. The default value is false.

Namespace: DevExpress.Xpo.DB

Assembly: DevExpress.Data.v24.2.dll

Declaration

C#

[DefaultValue(false)]
public bool IsIdentity

VB.NET

<DefaultValue(False)>
Public IsIdentity As Boolean

Field Value

Type	Default
Boolean	false

Related GitHub Examples

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

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-Implement-CRUD-Operations-for-Non-Persistent-Objects-Stored-Remotely/CS/NonPersistentObjectsDemo.Module/BusinessObjects/AuxiliaryStorage.cs#L38

var mMessageKey = new DBColumn("ID", true, null, 0, DBColumnType.Int32);
mMessageKey.IsIdentity = true;
mMessage.Table.AddColumn(mMessageKey);

XPO_how-to-generate-persistent-classes-at-runtime-based-on-a-dataset-e1198/CS/WindowsApplication4/Form1.cs#L31

    if (key == c.Name)
        mi.AddAttribute(new KeyAttribute(c.IsIdentity));
}

VB.NET

XAF-How-to-Implement-CRUD-Operations-for-Non-Persistent-Objects-Stored-Remotely/VB/NonPersistentObjectsDemo.Module/DataStoreMapper.vb#L189

Dim column = mapping.Table.GetColumn(columnName)
If column.IsIdentity Then
    identityAwaiters.Add(Sub(v)

XPO_how-to-generate-persistent-classes-at-runtime-based-on-a-dataset-e1198/VB/WindowsApplication4/Form1.vb#L29

If key = c.Name Then
    mi.AddAttribute(New KeyAttribute(c.IsIdentity))
End If