LLBLGen Pro v5.3 Runtime Framework Reference Manual
Namespaces
SD.LLBLGen.Pro.ORMSupportClasses Namespaces
SD.LLBLGen.Pro.ORMSupportClasses
DaoBase Class
DaoBase Methods
AddNew Method
AddNewAsync Method
CallActionStoredProcedure Method
CallActionStoredProcedureAsync Method
CallRetrievalStoredProcedure Method
CreateConnection Method
CreateDataAdapter Method
CreatePrimaryKeyFilter Method
CreatePrimaryKeyFilters Method
CreateTransaction Method
DeleteExisting Method
DeleteExistingAsync Method
DeleteMulti Method
DeleteMultiAsync Method
DetermineConnectionToUse Method
ExecuteActionQuery Method
ExecuteActionQueryAsync Method
ExecuteMultiRowDataTableRetrievalQuery Method
ExecuteMultiRowRetrievalQuery Method
ExecuteScalarQuery Method
ExecuteScalarQueryAsync Method
ExecuteSingleRowRetrievalQuery Method
ExecuteSQL Method
ExecuteSQLAsync Method
FetchExcludedFields Method
FetchExcludedFieldsAsync Method
FetchExisting Method
FetchExistingPolymorphic Method
FetchQuery Method
FetchQueryAsync Method
FetchScalarQuery Method
FetchScalarQueryAsync Method
GetAsDataReader Method
GetAsDataReaderAsync Method
GetAsProjection Method
GetAsProjectionAsync Method
GetConnectionString Method
GetDbCount Method
GetMulti Method
GetMultiAsDataTable Method
GetMultiAsync Method
GetScalar Method
HandleValueReadErrors Method
PerformExecuteSingleRowRetrievalQuery Method
PerformFetchEntityAction Method
PerformGetMultiAction Method
PerformGetMultiActionAsync Method
PerformPolymorphicEntityFetch Method
UpdateExisting Method
UpdateExistingAsync Method
UpdateMulti Method
UpdateMultiAsync Method
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DaoBaseExecuteScalarQueryAsync Method
Async variant of ExecuteScalarQuery(IRetrievalQuery, ITransaction) Executes the passed in query as a scalar query and returns the value returned from this scalar execution.

Namespace:  SD.LLBLGen.Pro.ORMSupportClasses
Assembly:  SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.3.0.0 (5.3.0)
Syntax
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public virtual Task<Object> ExecuteScalarQueryAsync(
	IRetrievalQuery queryToExecute,
	ITransaction containingTransaction,
	CancellationToken cancellationToken
)

Parameters

queryToExecute
Type: SD.LLBLGen.Pro.ORMSupportClassesIRetrievalQuery
a scalar query, which is a SELECT query which returns a single value
containingTransaction
Type: SD.LLBLGen.Pro.ORMSupportClassesITransaction
A containing transaction if caller is added to a transaction, or null of not.
cancellationToken
Type: System.ThreadingCancellationToken
The cancellation token

Return Value

Type: TaskObject
the scalar value returned from the query.
See Also