LLBLGen Pro v5.8 Runtime Framework Reference Manual
Namespaces
SD.LLBLGen.Pro 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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DaoBaseDeleteExisting Method

Deletes an entity from the persistent storage. Which entity is deleted is determined from the passed in EntityFields object.

Namespace:  SD.LLBLGen.Pro.ORMSupportClasses
Assembly:  SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.8.0.0 (5.8.21.0111)
Syntax
Copy
public bool DeleteExisting(
	IEntityFields fields,
	ITransaction containingTransaction,
	IPredicate deleteRestriction
)

Parameters

fields
Type: SD.LLBLGen.Pro.ORMSupportClassesIEntityFields
The EntityField data to use for the deletion
containingTransaction
Type: SD.LLBLGen.Pro.ORMSupportClassesITransaction
A containing transaction, if caller is added to a transaction, or null if not.
deleteRestriction
Type: SD.LLBLGen.Pro.ORMSupportClassesIPredicate
Predicate expression, meant for concurrency checks in a delete query. Can be null.

Return Value

Type: Boolean
true if the delete was succesful, false otherwise

Implements

IDaoDeleteExisting(IEntityFields, ITransaction, IPredicate)
Exceptions
ExceptionCondition
ArgumentNullExceptionWhen fields is null
See Also