ISerializableObjectLayerService.SelectData(XPDictionaryStub, ObjectStubsQuery, CriteriaOperatorCollection, CriteriaOperatorCollection, CriteriaOperator) Method

When implemented by a class, executes an object layer’s ISerializableObjectLayer.SelectData method implementation and returns the operation result.

Namespace: DevExpress.Xpo.DB

Assembly: DevExpress.Xpo.v24.2.dll

Declaration

C#

[OperationContract(Action = "http://tempuri.org/ISerializableObjectLayerService/SelectData")]
[XmlSerializerFormat]
[ServiceKnownType(typeof(DeleteStatement))]
[ServiceKnownType(typeof(InsertStatement))]
[ServiceKnownType(typeof(UpdateStatement))]
[ServiceKnownType(typeof(AggregateOperand))]
[ServiceKnownType(typeof(BetweenOperator))]
[ServiceKnownType(typeof(BinaryOperator))]
[ServiceKnownType(typeof(ContainsOperator))]
[ServiceKnownType(typeof(FunctionOperator))]
[ServiceKnownType(typeof(GroupOperator))]
[ServiceKnownType(typeof(InOperator))]
[ServiceKnownType(typeof(NotOperator))]
[ServiceKnownType(typeof(NullOperator))]
[ServiceKnownType(typeof(OperandProperty))]
[ServiceKnownType(typeof(OperandValue))]
[ServiceKnownType(typeof(ConstantValue))]
[ServiceKnownType(typeof(XPStubOperandValue))]
[ServiceKnownType(typeof(ParameterValue))]
[ServiceKnownType(typeof(QueryOperand))]
[ServiceKnownType(typeof(UnaryOperator))]
[ServiceKnownType(typeof(JoinOperand))]
[ServiceKnownType(typeof(OperandParameter))]
[ServiceKnownType(typeof(QuerySubQueryContainer))]
OperationResult<object[][]> SelectData(
    XPDictionaryStub dictionary,
    ObjectStubsQuery query,
    CriteriaOperatorCollection properties,
    CriteriaOperatorCollection groupProperties,
    CriteriaOperator groupCriteria
)

VB.NET

<OperationContract(Action:="http://tempuri.org/ISerializableObjectLayerService/SelectData")>
<XmlSerializerFormat>
<ServiceKnownType(GetType(DeleteStatement))>
<ServiceKnownType(GetType(InsertStatement))>
<ServiceKnownType(GetType(UpdateStatement))>
<ServiceKnownType(GetType(AggregateOperand))>
<ServiceKnownType(GetType(BetweenOperator))>
<ServiceKnownType(GetType(BinaryOperator))>
<ServiceKnownType(GetType(ContainsOperator))>
<ServiceKnownType(GetType(FunctionOperator))>
<ServiceKnownType(GetType(GroupOperator))>
<ServiceKnownType(GetType(InOperator))>
<ServiceKnownType(GetType(NotOperator))>
<ServiceKnownType(GetType(NullOperator))>
<ServiceKnownType(GetType(OperandProperty))>
<ServiceKnownType(GetType(OperandValue))>
<ServiceKnownType(GetType(ConstantValue))>
<ServiceKnownType(GetType(XPStubOperandValue))>
<ServiceKnownType(GetType(ParameterValue))>
<ServiceKnownType(GetType(QueryOperand))>
<ServiceKnownType(GetType(UnaryOperator))>
<ServiceKnownType(GetType(JoinOperand))>
<ServiceKnownType(GetType(OperandParameter))>
<ServiceKnownType(GetType(QuerySubQueryContainer))>
Function SelectData(
    dictionary As XPDictionaryStub,
    query As ObjectStubsQuery,
    properties As CriteriaOperatorCollection,
    groupProperties As CriteriaOperatorCollection,
    groupCriteria As CriteriaOperator
) As OperationResult(Of Object()())

Parameters

Name	Type	Description
dictionary	XPDictionaryStub	An XPDictionaryStub object that is a metadata information provider.
query	ObjectStubsQuery	An ObjectStubsQuery 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
OperationResult<Object[][]>	An OperationResult<Object> object denoting the operation result.