.NET Framework Class Library
ConcurrencyCheckAttribute Class

Specifies that a property participates in optimistic concurrency checks.

Inheritance Hierarchy
SystemObject
   SystemAttribute
    System.ComponentModel.DataAnnotationsConcurrencyCheckAttribute

Namespace:   System.ComponentModel.DataAnnotations
Assembly:  System.ComponentModel.DataAnnotations (in System.ComponentModel.DataAnnotations.dll)
Syntax
<[%$TOPIC/dd538571_en-us_VS_110_2_0_0_0_0%]([%$TOPIC/dd538571_en-us_VS_110_2_0_0_0_1%].Property Or [%$TOPIC/dd538571_en-us_VS_110_2_0_0_0_2%].Field, AllowMultiple := False,  _
	Inherited := True)> _
Public NotInheritable Class ConcurrencyCheckAttribute _
	Inherits [%$TOPIC/dd538571_en-us_VS_110_2_0_0_0_3%]
[[%$TOPIC/dd538571_en-us_VS_110_2_0_1_0_0%]([%$TOPIC/dd538571_en-us_VS_110_2_0_1_0_1%].Property|[%$TOPIC/dd538571_en-us_VS_110_2_0_1_0_2%].Field, AllowMultiple = false, 
	Inherited = true)]
public sealed class ConcurrencyCheckAttribute : [%$TOPIC/dd538571_en-us_VS_110_2_0_1_0_3%]
[[%$TOPIC/dd538571_en-us_VS_110_2_0_2_0_0%]([%$TOPIC/dd538571_en-us_VS_110_2_0_2_0_1%]::Property|[%$TOPIC/dd538571_en-us_VS_110_2_0_2_0_2%]::Field, AllowMultiple = false, 
	Inherited = true)]
public ref class ConcurrencyCheckAttribute sealed : public [%$TOPIC/dd538571_en-us_VS_110_2_0_2_0_3%]
[<[%$TOPIC/dd538571_en-us_VS_110_2_0_3_0_0%]>]
[<[%$TOPIC/dd538571_en-us_VS_110_2_0_3_0_1%]([%$TOPIC/dd538571_en-us_VS_110_2_0_3_0_2%].Property|[%$TOPIC/dd538571_en-us_VS_110_2_0_3_0_3%].Field, AllowMultiple = false, 
    Inherited = true)>]
type ConcurrencyCheckAttribute =  
    class 
        inherit [%$TOPIC/dd538571_en-us_VS_110_2_0_3_0_4%] 
    end
public final class ConcurrencyCheckAttribute extends [%$TOPIC/dd538571_en-us_VS_110_2_0_4_0_0%]

The ConcurrencyCheckAttribute type exposes the following members.

Constructors
  NameDescription
Public method Supported by Portable Class Library ConcurrencyCheckAttributeInitializes a new instance of the ConcurrencyCheckAttribute class.
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Properties
  NameDescription
Public property TypeIdWhen implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)
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Methods
  NameDescription
Public method Supported by Portable Class Library EqualsInfrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
Public method Supported by Portable Class Library GetHashCodeReturns the hash code for this instance. (Inherited from Attribute.)
Public method Supported by Portable Class Library GetTypeGets the Type of the current instance. (Inherited from Object.)
Public method IsDefaultAttributeWhen overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute.)
Public method MatchWhen overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Public method Supported by Portable Class Library ToStringReturns a string that represents the current object. (Inherited from Object.)
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Explicit Interface Implementations
  NameDescription
Explicit interface implemetation Private method _AttributeGetIDsOfNamesMaps a set of names to a corresponding set of dispatch identifiers. (Inherited from Attribute.)
Explicit interface implemetation Private method _AttributeGetTypeInfoRetrieves the type information for an object, which can be used to get the type information for an interface. (Inherited from Attribute.)
Explicit interface implemetation Private method _AttributeGetTypeInfoCountRetrieves the number of type information interfaces that an object provides (either 0 or 1). (Inherited from Attribute.)
Explicit interface implemetation Private method _AttributeInvokeProvides access to properties and methods exposed by an object. (Inherited from Attribute.)
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Version Information

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library
Thread Safety
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.