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.NET Framework 2.0
System.Web.UI
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This page is specific to
Microsoft Visual Studio 2005/.NET Framework 2.0

Other versions are also available for the following:
.NET Framework Class Library
SupportsEventValidationAttribute Class

Note: This class is new in the .NET Framework version 2.0.

Defines the metadata attribute that Web server controls use to indicate support for event validation. This class cannot be inherited.

Namespace: System.Web.UI
Assembly: System.Web (in system.web.dll)

Visual Basic (Declaration)
<AttributeUsageAttribute(AttributeTargets.Class, AllowMultiple:=False)> _
Public NotInheritable Class SupportsEventValidationAttribute
    Inherits Attribute
Visual Basic (Usage)
Dim instance As SupportsEventValidationAttribute
C#
[AttributeUsageAttribute(AttributeTargets.Class, AllowMultiple=false)] 
public sealed class SupportsEventValidationAttribute : Attribute
C++
[AttributeUsageAttribute(AttributeTargets::Class, AllowMultiple=false)] 
public ref class SupportsEventValidationAttribute sealed : public Attribute
J#
/** @attribute AttributeUsageAttribute(AttributeTargets.Class, AllowMultiple=false) */ 
public final class SupportsEventValidationAttribute extends Attribute
JScript
AttributeUsageAttribute(AttributeTargets.Class, AllowMultiple=false) 
public final class SupportsEventValidationAttribute extends Attribute

The SupportsEventValidationAttribute attribute defines the metadata attribute that Web server controls use to indicate their support for event validation. Event validation prevents forged postbacks to an ASP.NET Web page and can be enabled through the EnableEventValidation page directive.

For more information, see EnableEventValidation.

For more information about attributes, see Extending Metadata Using Attributes.

System.Object
   System.Attribute
    System.Web.UI.SupportsEventValidationAttribute
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0
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