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.NET Framework 4.5

.NET Framework Class Library

System.Data Namespaces

System.Data.Metadata.Edm

AssociationEndMember Class

AssociationSet Class

AssociationSetEnd Class

AssociationType Class

BuiltInTypeKind Enumeration

CollectionKind Enumeration

CollectionType Class

ComplexType Class

ConcurrencyMode Enumeration

DataSpace Enumeration

Documentation Class

EdmFunction Class

EdmItemCollection Class

EdmMember Class

EdmProperty Class

EdmSchemaError Class

EdmSchemaErrorSeverity Enumeration

EdmType Class

EntityContainer Class

EntitySet Class

EntitySetBase Class

EntityType Class

EntityTypeBase Class

EnumMember Class

Facet Class

FacetDescription Class

FunctionParameter Class

GlobalItem Class

ItemCollection Class

MetadataItem Class

MetadataProperty Class

MetadataWorkspace Class

NavigationProperty Class

ObjectItemCollection Class

OperationAction Enumeration

ParameterMode Enumeration

ParameterTypeSemantics Enumeration

PrimitiveType Class

PrimitiveTypeKind Enumeration

PropertyKind Enumeration

ReadOnlyMetadataCollection(T) Class

ReadOnlyMetadataCollection(T).Enumerator Structure

ReferentialConstraint Class

RefType Class

RelationshipEndMember Class

RelationshipMultiplicity Enumeration

RelationshipSet Class

RelationshipType Class

RowType Class

SimpleType Class

StoreGeneratedPattern Enumeration

StoreItemCollection Class

StructuralType Class

TypeUsage Class

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ConcurrencyMode Enumeration

.NET Framework 4.5

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 name	Description
	None	The property is never validated at write time. This is the default concurrency mode.
	Fixed	The property is always validated at write time.

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

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5 SP1

.NET Framework Client Profile

Supported in: 4

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.

Reference

System.Data.Metadata.Edm Namespace

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