DataAccessAdapterCoreGetScalar Method (IEntityFields2, IPredicate, IGroupByCollection)

Executes the expression defined with the field in the fields collection specified, using the various elements defined. The expression is executed as a scalar query and a single value is returned.

Namespace: SD.LLBLGen.Pro.ORMSupportClasses
Assembly: SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.6.0.0 (5.6.19.0117)

Syntax

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public Object GetScalar(
	IEntityFields2 fields,
	IPredicate filter,
	IGroupByCollection groupByClause
)

Public Function GetScalar ( 
	fields As IEntityFields2,
	filter As IPredicate,
	groupByClause As IGroupByCollection
) As Object

Parameters

fields: Type: SD.LLBLGen.Pro.ORMSupportClassesIEntityFields2
IEntityFields2 instance with a single field with an expression defined and eventually aggregates
filter: Type: SD.LLBLGen.Pro.ORMSupportClassesIPredicate
filter to use
groupByClause: Type: SD.LLBLGen.Pro.ORMSupportClassesIGroupByCollection
The list of fields to group by on. When not specified or an empty collection is specified, no group by clause is added to the query. A check is performed for each field in the selectList. If a field in the selectList is not present in the groupByClause collection, an exception is thrown.

Return Value

Type: Object
the value which is the result of the expression defined on the specified field

Implements

IDataAccessAdapterGetScalar(IEntityFields2, IPredicate, IGroupByCollection)

Reference

DataAccessAdapterCore Class

GetScalar Overload

SD.LLBLGen.Pro.ORMSupportClasses Namespace

DataAccessAdapterCoreAddLanguageSpecificTextSet("LSTC58F7630_0?cpp=::|nu=.");GetScalar Method (IEntityFields2, IPredicate, IGroupByCollection)

Parameters

Return Value

Implements

Reference

DataAccessAdapterCoreGetScalar Method (IEntityFields2, IPredicate, IGroupByCollection)