SerializableObjectLayerClient.SelectDataAsync(Session, ObjectsQuery, CriteriaOperatorCollection, CriteriaOperatorCollection, CriteriaOperator, AsyncSelectDataCallback) Method
Performs object layer specific operations that are required to asynchronously retrieve object data from a session using specified query parameters and notifies upon completion.
Namespace: DevExpress.Xpo
Assembly: DevExpress.Xpo.v24.2.dll
NuGet Package: DevExpress.Xpo
#Declaration
public object SelectDataAsync(
Session session,
ObjectsQuery query,
CriteriaOperatorCollection properties,
CriteriaOperatorCollection groupProperties,
CriteriaOperator groupCriteria,
AsyncSelectDataCallback callback
)
#Parameters
Name | Type | Description |
---|---|---|
session | Session | A Session that is used to retrieve persistent objects. |
query | Objects |
An Objects |
properties | Criteria |
A Criteria |
group |
Criteria |
A Criteria |
group |
Criteria |
A Criteria |
callback | Async |
An Async |
#Returns
Type | Description |
---|---|
Object | An object identifying the current asynchronous operation, intended for internal use. |