Session.SelectDataAsync(XPClassInfo, CriteriaOperatorCollection, CriteriaOperator, Boolean, Int32, Int32, SortingCollection, CancellationToken) Method

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

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v24.1.dll

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

NuGet Package: DevExpress.Xpo

Declaration

C#

public Task<List<object[]>> SelectDataAsync(
    XPClassInfo classInfo,
    CriteriaOperatorCollection properties,
    CriteriaOperator criteria,
    bool selectDeleted,
    int skipSelectedRecords,
    int topSelectedRecords,
    SortingCollection sorting,
    CancellationToken cancellationToken = default(CancellationToken)
)

VB.NET

Public Function SelectDataAsync(
    classInfo As XPClassInfo,
    properties As CriteriaOperatorCollection,
    criteria As CriteriaOperator,
    selectDeleted As Boolean,
    skipSelectedRecords As Integer,
    topSelectedRecords As Integer,
    sorting As SortingCollection,
    cancellationToken As CancellationToken = Nothing
) As Task(Of List(Of Object()))

Parameters

Name	Type	Description
classInfo	XPClassInfo	An XPClassInfo object that contains metadata information. This data specifies which objects need to be retrieved.
properties	CriteriaOperatorCollection	A CriteriaOperatorCollection object which specifies object properties to be retrieved.
criteria	CriteriaOperator	A CriteriaOperator descendant which specifies the objects to be retrieved.
selectDeleted	Boolean	true, to include the persistent objects marked as deleted into the list; otherwise, false.
skipSelectedRecords	Int32	An integer value which specifies the number of objects to exclude when populating the list.
topSelectedRecords	Int32	An integer value which specifies the maximum number of objects to be retrieved.
sorting	SortingCollection	A SortingCollection object that specifies the sort order for the list of 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 represent object properties retrieved from a data store.

Remarks

This method is intended for internal use. To get objects from a session, use the XPCollection and XPView components.