Skip to main content
.NET Framework 4.5.2+

SimpleObjectLayer.SelectDataAsync(Session, ObjectsQuery, CriteriaOperatorCollection, CriteriaOperatorCollection, CriteriaOperator, CancellationToken) Method

Retrieves object data from a session asynchronously, according to specified query parameters.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v24.1.dll

NuGet Package: DevExpress.Xpo

Declaration

public Task<List<object[]>> SelectDataAsync(
    Session session,
    ObjectsQuery query,
    CriteriaOperatorCollection properties,
    CriteriaOperatorCollection groupProperties,
    CriteriaOperator groupCriteria,
    CancellationToken cancellationToken = default(CancellationToken)
)

Parameters

Name Type Description
session Session

A Session that is used to retrieved persistent objects.

query ObjectsQuery

An array of ObjectsQuery objects that specifies queries executed to select data.

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.

Optional Parameters

Name Type Default Description
cancellationToken CancellationToken null

A CancellationToken object that delivers a cancellation notice to the running operation.

Returns

Type Description
Task<List<Object[]>>

A Task that returns a list of object arrays. These object arrays match specified query parameters.

See Also