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.v24.1.dll
NuGet Packages: DevExpress.Win.PivotGrid, DevExpress.Win.TreeMap, DevExpress.Xpo
NuGet Package: DevExpress.Xpo
Declaration
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. |