SerializableObjectLayer.SelectData(XPDictionaryStub, ObjectStubsQuery, CriteriaOperatorCollection, CriteriaOperatorCollection, CriteriaOperator) Method

Performs object layer specific operations that are required to retrieve object data from a session, using specified query parameters.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v23.2.dll

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

NuGet Package: DevExpress.Xpo

Declaration

C#

public object[][] SelectData(
    XPDictionaryStub dictionary,
    ObjectStubsQuery query,
    CriteriaOperatorCollection properties,
    CriteriaOperatorCollection groupProperties,
    CriteriaOperator groupCriteria
)

VB.NET

Public Function SelectData(
    dictionary As XPDictionaryStub,
    query As ObjectStubsQuery,
    properties As CriteriaOperatorCollection,
    groupProperties As CriteriaOperatorCollection,
    groupCriteria As CriteriaOperator
) As Object()()

Parameters

Name	Type	Description
dictionary	XPDictionaryStub	An XPDictionaryStub object that is a metadata information provider.
query	ObjectStubsQuery	An ObjectStubsQuery object specifying a query that is executed to retrieve persistent objects.
properties	CriteriaOperatorCollection	A CriteriaOperatorCollection object which specifies object properties to be retrieved.
groupProperties	CriteriaOperatorCollection	A CriteriaOperatorCollection object which specifies the grouping properties.
groupCriteria	CriteriaOperator	A CriteriaOperator descendant which specifies the grouping criteria for the retrieved objects.

Returns

Type	Description
Object[][]	A SerializableObjectLayerResult instance that exposes an array whose elements are property values corresponding to the properties of objects retrieved from the associated session.

Implements

SelectData(XPDictionaryStub, ObjectStubsQuery, CriteriaOperatorCollection, CriteriaOperatorCollection, CriteriaOperator)