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IDaoUpdateExisting Method (IEntityFields, ITransaction, IPredicate)

Updates an existing entity using the given fields.

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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bool UpdateExisting(
	IEntityFields fields,
	ITransaction containingTransaction,
	IPredicate updateRestriction
)

Parameters

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

Return Value

Type: Boolean
true if the update was succesful, false otherwise
Exceptions
ExceptionCondition
ArgumentNullExceptionWhen fields is null
See Also