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IndexAttribute Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Specifies an additional index on a local database table.

Inheritance Hierarchy

System.Object
  System.Attribute
    Microsoft.Phone.Data.Linq.Mapping.IndexAttribute

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

Syntax

'Declaration
<AttributeUsageAttribute(AttributeTargets.Class, AllowMultiple := True, Inherited := False)> _
Public NotInheritable Class IndexAttribute _
    Inherits Attribute
[AttributeUsageAttribute(AttributeTargets.Class, AllowMultiple = true, Inherited = false)]
public sealed class IndexAttribute : Attribute

The IndexAttribute type exposes the following members.

Constructors

  Name Description
Public methodSupported by Silverlight for Windows Phone IndexAttribute Initializes a new instance of the IndexAttribute class.

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Properties

  Name Description
Public propertySupported by Silverlight for Windows Phone Columns Gets or sets the columns on which the index is based.
Public propertySupported by Silverlight for Windows Phone IsUnique Gets or sets a value that indicates whether the index is unique, in which no two rows are permitted to have the same index key value.
Public propertySupported by Silverlight for Windows Phone Name Gets or sets the name of the index.

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Methods

  Name Description
Public methodSupported by Silverlight for Windows Phone Equals Infrastructure. Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
Protected methodSupported by Silverlight for Windows Phone Finalize Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone GetHashCode Returns the hash code for this instance. (Inherited from Attribute.)
Public methodSupported by Silverlight for Windows Phone GetType Gets the Type of the current instance. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone Match When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
Protected methodSupported by Silverlight for Windows Phone MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone ToString Returns a string that represents the current object. (Inherited from Object.)

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Remarks

For information about using a local database in your Windows Phone application, see Local Database Overview for Windows Phone.

Version Information

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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.