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TemplateField.ValidateSupportsCallback Method

Determines whether the controls contained in a TemplateField object support page callbacks.

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

'Declaration
Public Overrides Sub ValidateSupportsCallback

ExceptionCondition
NotSupportedException

The default implementation of this method is called.

The ValidateSupportsCallback method is not supported for this class and always throws a NotSupportedException exception.

Notes to Inheritors

Classes that derive from the TemplateField class can override this method to indicate whether the controls contained by the field support callbacks. To indicate that callbacks are supported, implement this method as an empty method that does not throw an exception; otherwise, throw an exception with a useful message describing why callbacks are not supported.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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