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BaseValidator.EvaluateIsValid Method

When overridden in a derived class, this method contains the code to determine whether the value in the input control is valid.

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

protected abstract bool EvaluateIsValid ()
protected abstract boolean EvaluateIsValid ()
protected abstract function EvaluateIsValid () : boolean

Return Value

true if the value in the input control is valid; otherwise, false.

Use the EvaluateIsValid method to determine whether the value in the input control specified by the ControlToValidate property is valid.

NoteNote

This method is used primarily by control developers.

Notes to Inheritors You must implement this method in a derived class to return whether the value in the input control is valid.

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, 1.1, 1.0

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