DataControlField.ValidateSupportsCallback Method
.NET Framework 2.0
Note: This method is new in the .NET Framework version 2.0.
When overridden in a derived class, signals that the controls contained by a field support callbacks.
Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)
Notes to Inheritors
Classes that derive from the DataControlField 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.
DataControlField Members
System.Web.UI.WebControls Namespace
AutoGeneratedField.ValidateSupportsCallback
BoundField.ValidateSupportsCallback
ButtonField.ValidateSupportsCallback
CheckBoxField.ValidateSupportsCallback
CommandField.ValidateSupportsCallback
HyperLinkField.ValidateSupportsCallback
ImageField.ValidateSupportsCallback
TemplateField.ValidateSupportsCallback
Assembly: System.Web (in system.web.dll)
| Exception type | Condition |
|---|---|
| The method is called on a default instance of the DataControlField class. |
The ValidateSupportsCallback method is a helper method used to determine whether the controls contained in a DataControlField object support callbacks. The base implementation of this method has been implemented to throw a NotSupportedException exception to indicate that callbacks are not supported.
Note |
|---|
| This method is used primarily by control developers. |
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.
Reference
DataControlField ClassDataControlField Members
System.Web.UI.WebControls Namespace
AutoGeneratedField.ValidateSupportsCallback
BoundField.ValidateSupportsCallback
ButtonField.ValidateSupportsCallback
CheckBoxField.ValidateSupportsCallback
CommandField.ValidateSupportsCallback
HyperLinkField.ValidateSupportsCallback
ImageField.ValidateSupportsCallback
TemplateField.ValidateSupportsCallback
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