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UpdatePanelControlTrigger.FindTargetControl Method

Searches for the control specified in the ControlID property.

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

protected Control FindTargetControl(
	bool searchNamingContainers


Type: System.Boolean

A Boolean value that indicates whether to search for the control recursively in naming containers that contain the current UpdatePanel control.

Return Value

Type: System.Web.UI.Control
A control that has the ID matching the ControlID property.


The ControlID property of the UpdatePanelControlTrigger is null or empty.

- or -

The control with the specified ControlID was not found.

.NET Framework

Supported in: 4.5, 4, 3.5

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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