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EntityCollectionBaseTEntityUpdateMultiAsync Method (IEntity, IPredicate, IRelationCollection, CancellationToken)

Async variant of UpdateMulti(IEntity, IPredicate, IRelationCollection). Updates in the persistent storage all entities of the type this collection is for which have data in common with the specified entity. Which fields are updated in those matching entities depends on which fields are changed in entityWithNewValues. The new values of these fields are read from entityWithNewValues.

Namespace:  SD.LLBLGen.Pro.ORMSupportClasses
Assembly:  SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.5.0.0 (5.5.18.1019)
Syntax
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public virtual Task<int> UpdateMultiAsync(
	IEntity entityWithNewValues,
	IPredicate updateFilter,
	IRelationCollection relations,
	CancellationToken cancellationToken
)

Parameters

entityWithNewValues
Type: SD.LLBLGen.Pro.ORMSupportClassesIEntity
entity instance which holds the new values for the matching entities to update. Only changed fields are taken into account
updateFilter
Type: SD.LLBLGen.Pro.ORMSupportClassesIPredicate
A predicate or predicate expression which should be used as filter for the entities to update.
relations
Type: SD.LLBLGen.Pro.ORMSupportClassesIRelationCollection
The set of relations to walk to construct the total query.
cancellationToken
Type: System.ThreadingCancellationToken
The cancellation token.

Return Value

Type: TaskInt32
Amount of entities affected, if the used persistent storage has rowcounting enabled.

Implements

IEntityCollectionUpdateMultiAsync(IEntity, IPredicate, IRelationCollection, CancellationToken)
See Also