ConcurrencyBehavior-opsomming

Artikel
07/17/2015

Contains values to indicate the optimistic concurrency behavior that should be applied when performing entity update and delete operations.

Naamruimte: Microsoft.Xrm.Sdk
Assembly: Microsoft.Xrm.Sdk (in Microsoft.Xrm.Sdk.dll)

Syntaxis

'Declaratie
<DataContractAttribute(Name:="ConcurrencyBehavior", Namespace:="https://schemas.microsoft.com/xrm/7.1/Contracts")> _
Public Enumeration ConcurrencyBehavior

[DataContractAttribute(Name="ConcurrencyBehavior", Namespace="https://schemas.microsoft.com/xrm/7.1/Contracts")] 
public enum ConcurrencyBehavior

Leden

Lidnaam	Beschrijving
AlwaysOverwrite	Specifies the behavior where an update or delete operation is applied without regard to the version of the record in the database. Value = 2.If optimistic concurrency is not enabled for the target entity, the AlwaysOverwrite behavior is applied.
Default	Specifies to use the default behavior. Value = 0. The default value is also used if no value is set in the ConcurrencyBehavior property of the request. The meaning of “default” is interpreted differently based on the calling context.
IfRowVersionMatches	Specifies the behavior where an update or delete operation is only applied if the entity record in the database has the same row version as the entity or entity reference in the request. Value = 1.If no row version value is provided on the entity or entity references in the request, the request fails immediately.

Opmerkingen

For the Default option, the following behavior applies based on the indicated conditions.

IsOptimisticConcurrencyEnabled	Source	Behavior
No	Any	AlwaysOverwrite
Yes	Any	AlwaysOverwrite
Yes	Web service	IfVersionMatches
Yes	Plug-in/custom workflow activity	AlwaysOverwrite

Platforms

Development Platforms

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

Target Platforms

Windows Server 2008,Windows Server 2012,Windows 7

Zie ook

Verwijzing

Microsoft.Xrm.Sdk-naamruimte

Overige resources

Reduce potential data loss using optimistic concurrency

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