.NET Framework Class Library
ColumnAttribute Class

Represents the database column that a property is mapped to.

Inheritance Hierarchy
SystemObject
   SystemAttribute
    System.ComponentModel.DataAnnotations.SchemaColumnAttribute

Namespace:   System.ComponentModel.DataAnnotations.Schema
Assembly:  System.ComponentModel.DataAnnotations (in System.ComponentModel.DataAnnotations.dll)
Syntax
<[%$TOPIC/hh505994_en-us_VS_110_2_0_0_0_0%]([%$TOPIC/hh505994_en-us_VS_110_2_0_0_0_1%].Property Or [%$TOPIC/hh505994_en-us_VS_110_2_0_0_0_2%].Field, AllowMultiple := False)> _
Public Class ColumnAttribute _
	Inherits [%$TOPIC/hh505994_en-us_VS_110_2_0_0_0_3%]
[[%$TOPIC/hh505994_en-us_VS_110_2_0_1_0_0%]([%$TOPIC/hh505994_en-us_VS_110_2_0_1_0_1%].Property|[%$TOPIC/hh505994_en-us_VS_110_2_0_1_0_2%].Field, AllowMultiple = false)]
public class ColumnAttribute : [%$TOPIC/hh505994_en-us_VS_110_2_0_1_0_3%]
[[%$TOPIC/hh505994_en-us_VS_110_2_0_2_0_0%]([%$TOPIC/hh505994_en-us_VS_110_2_0_2_0_1%]::Property|[%$TOPIC/hh505994_en-us_VS_110_2_0_2_0_2%]::Field, AllowMultiple = false)]
public ref class ColumnAttribute : public [%$TOPIC/hh505994_en-us_VS_110_2_0_2_0_3%]
[<[%$TOPIC/hh505994_en-us_VS_110_2_0_3_0_0%]([%$TOPIC/hh505994_en-us_VS_110_2_0_3_0_1%].Property|[%$TOPIC/hh505994_en-us_VS_110_2_0_3_0_2%].Field, AllowMultiple = false)>]
type ColumnAttribute =  
    class 
        inherit [%$TOPIC/hh505994_en-us_VS_110_2_0_3_0_3%] 
    end

The ColumnAttribute type exposes the following members.

Constructors
  NameDescription
Public method ColumnAttributeInitializes a new instance of the ColumnAttribute class.
Public method ColumnAttribute(String)Initializes a new instance of the ColumnAttribute class.
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Properties
  NameDescription
Public property NameGets the name of the column the property is mapped to.
Public property OrderGets or sets the zero-based order of the column the property is mapped to.
Public property TypeIdWhen implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)
Public property TypeNameGets or sets the database provider specific data type of the column the property is mapped to.
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Methods
  NameDescription
Public method EqualsInfrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
Protected method FinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public method GetHashCodeReturns the hash code for this instance. (Inherited from Attribute.)
Public method 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.)
Protected method MemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public method 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: 4.5.2, 4.5.1, 4.5
Platforms

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.

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.