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PagesSection.EnableEventValidation Property

Gets or sets a value enabling event validation.

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

public bool EnableEventValidation { get; set; }
/** @property */
public boolean get_EnableEventValidation ()

/** @property */
public void set_EnableEventValidation (boolean value)

public function get EnableEventValidation () : boolean

public function set EnableEventValidation (value : boolean)

Not applicable.

Property Value

true if event validation is enabled; otherwise, false.

The default value is true. A Web application can optionally disable event validation to revert to .NET Framework version 1.0 behavior.

The EnableEventValidation attribute indicates whether event validation should be performed.

The base control checks this attribute to determine whether it should validate events. A derived control does not inherit this base control attribute, and so it is exempt from event validation by default.

The user can still instruct ASP.NET to perform event validation on the derived control by adding the EnableEventValidation attribute to the derived control itself and setting it to true.

NoteNote:

This event validation mechanism eliminates the risk of unauthorized postback requests and callbacks. It instructs ASP.NET to validate only those specific events that can be raised on the control during a postback request or callback. With this model, a control registers its events during rendering and then validates the events during the post-back or callback handling. All event-driven controls in ASP.NET now use this feature by default.

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

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0
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