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BaseValidator.PropertiesValid Property

Gets a value that indicates whether the control specified by the ControlToValidate property is a valid control.

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

protected bool PropertiesValid { get; }

Property Value

Type: System.Boolean
true if the control specified by ControlToValidate is a valid control; otherwise, false.


No value is specified in the ControlToValidate property.

- or -

The input control specified by the ControlToValidate property is not found on the page.

Use the PropertiesValid property to determine whether the ControlToValidate property contains a valid input control. To be a valid input control, the ControlToValidate property must be set to a control on the page.


This property is used primarily by control developers.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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