CompositeObjectSpace.GetKeyValue(Object) Method

Returns the key property’s value of the specified object.

Namespace: DevExpress.ExpressApp

Assembly: DevExpress.ExpressApp.v25.1.dll

NuGet Package: DevExpress.ExpressApp

Declaration

C#

public override object GetKeyValue(
    object obj
)

VB.NET

Public Overrides Function GetKeyValue(
    obj As Object
) As Object

Parameters

Name	Type	Description
obj	Object	An object which is the object whose key property’s value is returned.

Returns

Type	Description
Object	An object which is the value of the specified object’s key property.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the GetKeyValue(Object) 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-CRUD-for-Non-Persistent-Objects-Stored-Remotely/CS/NonPersistentObjectsDemo.Module/TransientNonPersistentObjectAdapter.cs#L34

else {
    var key = objectSpace.GetKeyValue(e.SourceObject);
    e.TargetObject = factory.GetObjectByKey(e.SourceObject.GetType(), key);

XAF_Non-Persistent-Objects-Nested-In-Persistent-Objects-Demo/CS/NonPersistentObjectsDemo.Module/BusinessObjects/NonPersistentObjectAdapter.cs#L38

protected virtual TKey GetKeyValue(TObject obj) {
    return (TKey)_objectSpace.GetKeyValue(obj);
}

VB.NET

XAF-CRUD-for-Non-Persistent-Objects-Stored-Remotely/VB/NonPersistentObjectsDemo.Module/TransientNonPersistentObjectAdapter.vb#L33

Else
    Dim key = objectSpace.GetKeyValue(e.SourceObject)
    e.TargetObject = factory.GetObjectByKey(e.SourceObject.GetType(), key)

XAF_Non-Persistent-Objects-Nested-In-Persistent-Objects-Demo/VB/NonPersistentObjectsDemo.Module/BusinessObjects/NonPersistentObjectAdapter.vb#L43

Protected Overridable Function GetKeyValue(ByVal obj As TObject) As TKey
    Return CType(_objectSpace.GetKeyValue(obj), TKey)
End Function