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MetaDataMember.UpdateCheck Property

Gets the optimistic concurrency check policy for this member.

Namespace:  System.Data.Linq.Mapping
Assembly:  System.Data.Linq (in System.Data.Linq.dll)

public abstract UpdateCheck UpdateCheck { get; }

If the class does not have a version member (IsVersion set to true), detection is done by comparing original member values with the current database state.

The UpdateCheck property determines how LINQ to SQL implements conflict detection under optimistic concurrency. Only those members with this property set to Always or WhenChanged are considered during conflict detection.

.NET Framework

Supported in: 4, 3.5

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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