KeyPropertyAbsentException Class

An exception that is thrown when a persistent object doesn’t have a key.

Namespace: DevExpress.Xpo.Exceptions

Assembly: DevExpress.Xpo.v24.1.dll

NuGet Packages: DevExpress.Win.PivotGrid, DevExpress.Win.TreeMap, DevExpress.Xpo

NuGet Package: DevExpress.Xpo

Declaration

C#

public class KeyPropertyAbsentException :
    Exception

VB.NET

Public Class KeyPropertyAbsentException
    Inherits Exception

Remarks

Each object must have a key property. This exception is thrown if an object doesn’t have a key.

Solution:

- add a key field to the object (by deriving the object class from the XPObject class or by declaring a property with the KeyAttribute attribute).

Inheritance

Object

Exception

KeyPropertyAbsentException