IObjectLayer.SelectData(Session, ObjectsQuery, CriteriaOperatorCollection, CriteriaOperatorCollection, CriteriaOperator) Method

When implemented by a class, retrieves 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#

List<object[]> SelectData(
    Session session,
    ObjectsQuery query,
    CriteriaOperatorCollection properties,
    CriteriaOperatorCollection groupProperties,
    CriteriaOperator groupCriteria
)

VB.NET

Function SelectData(
    session As Session,
    query As ObjectsQuery,
    properties As CriteriaOperatorCollection,
    groupProperties As CriteriaOperatorCollection,
    groupCriteria As CriteriaOperator
) As List(Of Object())

Parameters

Name	Type	Description
session	Session	A Session that is used to retrieve persistent objects.
query	ObjectsQuery	An ObjectsQuery 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
List<Object[]>	A list whose elements are property values that correspond to the properties of objects retrieved from the session.