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ConcurrencyMode Enumeration

Specifies the concurrency options for the properties in a conceptual model.

Namespace:  System.Data.Metadata.Edm
Assembly:  System.Data.Entity (in System.Data.Entity.dll)
public enum ConcurrencyMode
Member nameDescription
FixedThe property is always validated at write time.
NoneThe property is never validated at write time. This is the default concurrency mode.

For more information about how to use this enumeration in a schema, see Conceptual Design (EDM).

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5 SP1

.NET Framework Client Profile

Supported in: 4

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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