ParameterCollection.OnValidate Method

Performs additional custom processes when validating a value.

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

protected:
virtual void OnValidate (
	Object^ o
) override
protected void OnValidate (
	Object o
)
protected override function OnValidate (
	o : Object
)
Not applicable.

Parameters

o

The object being validated.

Exception typeCondition

ArgumentException

The object is not an instance of the Parameter class or one of its derived classes.

ArgumentNullException

The object is a null reference (Nothing in Visual Basic).

The OnValidate method determines whether the object specified in the o parameter is a Parameter instance. If not, it throws an ArgumentException exception.

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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